Loginov, B. V. Branching equation in the root subspace. (English) Zbl 0949.47051 Nonlinear Anal., Theory Methods Appl. 32, No. 3, 439-445 (1998). Reviewer: Jacobo Pejsachowicz (Torino) MSC: 47J15 PDFBibTeX XMLCite \textit{B. V. Loginov}, Nonlinear Anal., Theory Methods Appl. 32, No. 3, 439--445 (1998; Zbl 0949.47051) Full Text: DOI
Stanĕk, Svatoslav Multiple solutions for some functional boundary value problems. (English) Zbl 0945.34049 Nonlinear Anal., Theory Methods Appl. 32, No. 3, 427-438 (1998). Reviewer: Angela Slavova (Sofia) MSC: 34K10 34K12 PDFBibTeX XMLCite \textit{S. Stanĕk}, Nonlinear Anal., Theory Methods Appl. 32, No. 3, 427--438 (1998; Zbl 0945.34049) Full Text: DOI
Chavarriga, Javier; Giné, Jaume Polynomial first integrals of systems in the plane with center type linear part. (English) Zbl 0890.34026 Nonlinear Anal., Theory Methods Appl. 31, No. 5-6, 521-535 (1998). Reviewer: Marco Antonio Teixeira (Campinas) MSC: 34C05 37G15 PDFBibTeX XMLCite \textit{J. Chavarriga} and \textit{J. Giné}, Nonlinear Anal., Theory Methods Appl. 31, No. 5--6, 521--535 (1998; Zbl 0890.34026) Full Text: DOI
Loginov, B. V. Determination of the branching equation by its group symmetry – Andronov-Hopf bifurcation. (English) Zbl 0870.34043 Nonlinear Anal., Theory Methods Appl. 28, No. 12, 2033-2047 (1997). Reviewer: L.Recke (Berlin) MSC: 34C23 34C25 37C80 PDFBibTeX XMLCite \textit{B. V. Loginov}, Nonlinear Anal., Theory Methods Appl. 28, No. 12, 2033--2047 (1997; Zbl 0870.34043) Full Text: DOI
Kim, A. V. On the Lyapunov’s functionals method for systems with delays. (English) Zbl 0880.34076 Nonlinear Anal., Theory Methods Appl. 28, No. 4, 673-687 (1997). Reviewer: S.O.Londen (Espoo) MSC: 34K20 34D20 34K25 PDFBibTeX XMLCite \textit{A. V. Kim}, Nonlinear Anal., Theory Methods Appl. 28, No. 4, 673--687 (1997; Zbl 0880.34076) Full Text: DOI
Seibert, Peter Reduction theorems for stability of systems in general spaces. (English) Zbl 0893.34047 Nonlinear Anal., Theory Methods Appl. 30, No. 7, 4675-4681 (1997). Reviewer: Olga Lykova (Kyïv) MSC: 34D20 37-XX 34D08 PDFBibTeX XMLCite \textit{P. Seibert}, Nonlinear Anal., Theory Methods Appl. 30, No. 7, 4675--4681 (1997; Zbl 0893.34047) Full Text: DOI
Souplet, Philippe; Weissler, Fred B. Self-similar subsolutions and blow-up for nonlinear parabolic equations. (English) Zbl 0893.35056 Nonlinear Anal., Theory Methods Appl. 30, No. 7, 4637-4641 (1997). MSC: 35K60 35B40 35B05 PDFBibTeX XMLCite \textit{P. Souplet} and \textit{F. B. Weissler}, Nonlinear Anal., Theory Methods Appl. 30, No. 7, 4637--4641 (1997; Zbl 0893.35056) Full Text: DOI
Skrypnik, I. V. Regularity of solutions of higher order nonlinear elliptic and parabolic equations. (English) Zbl 0939.35034 Nonlinear Anal., Theory Methods Appl. 30, No. 1, 147-157 (1997). Reviewer: J.Stará (Praha) MSC: 35B45 35D10 35K60 35K35 PDFBibTeX XMLCite \textit{I. V. Skrypnik}, Nonlinear Anal., Theory Methods Appl. 30, No. 1, 147--157 (1997; Zbl 0939.35034) Full Text: DOI
Greguš, Michal Oscillation results on nonlinear third order differential equations. (English) Zbl 0893.34024 Nonlinear Anal., Theory Methods Appl. 30, No. 3, 1573-1581 (1997). Reviewer: O.Došlý (Brno) MSC: 34C10 PDFBibTeX XMLCite \textit{M. Greguš}, Nonlinear Anal., Theory Methods Appl. 30, No. 3, 1573--1581 (1997; Zbl 0893.34024) Full Text: DOI
Schlomiuk, Dana On the global analysis of planar quadratic vector fields. (English) Zbl 0910.34044 Nonlinear Anal., Theory Methods Appl. 30, No. 3, 1429-1437 (1997). Reviewer: Huaiping Zhu (Montreal) MSC: 34C23 34C05 34C20 37G99 PDFBibTeX XMLCite \textit{D. Schlomiuk}, Nonlinear Anal., Theory Methods Appl. 30, No. 3, 1429--1437 (1997; Zbl 0910.34044) Full Text: DOI
Domoshnitsky, Alexander; Drakhlin, Michael Periodic solutions of differential equations with delay. (English) Zbl 0890.34055 Nonlinear Anal., Theory Methods Appl. 30, No. 5, 2665-2672 (1997). Reviewer: I.Ginchev (Varna) MSC: 34K13 34C25 PDFBibTeX XMLCite \textit{A. Domoshnitsky} and \textit{M. Drakhlin}, Nonlinear Anal., Theory Methods Appl. 30, No. 5, 2665--2672 (1997; Zbl 0890.34055) Full Text: DOI
Marcelli, Cristina; Salvadori, Anna On the equivalence of different classes of hereditary systems. (English) Zbl 0892.34058 Nonlinear Anal., Theory Methods Appl. 30, No. 6, 3903-3907 (1997). Reviewer: M.Lizana (Merida) MSC: 34K05 PDFBibTeX XMLCite \textit{C. Marcelli} and \textit{A. Salvadori}, Nonlinear Anal., Theory Methods Appl. 30, No. 6, 3903--3907 (1997; Zbl 0892.34058) Full Text: DOI
Li, Zhengyuan; Wang, Mingxin; Wu, Yaping; Ye, Qixiao Travelling wave solutions for reaction-diffusion equations. (English) Zbl 0894.35051 Nonlinear Anal., Theory Methods Appl. 30, No. 6, 3417-3426 (1997). Reviewer: A.D.Osborne (Keele) MSC: 35K57 35Q80 PDFBibTeX XMLCite \textit{Z. Li} et al., Nonlinear Anal., Theory Methods Appl. 30, No. 6, 3417--3426 (1997; Zbl 0894.35051) Full Text: DOI
Turo, Jan Mixed problems for quasilinear hyperbolic systems. (English) Zbl 0893.35135 Nonlinear Anal., Theory Methods Appl. 30, No. 4, 2329-2340 (1997). Reviewer: D.Bainov (Sofia) MSC: 35R10 35D05 PDFBibTeX XMLCite \textit{J. Turo}, Nonlinear Anal., Theory Methods Appl. 30, No. 4, 2329--2340 (1997; Zbl 0893.35135) Full Text: DOI
Li, Bingtuan; Kuang, Yang Sharp conditions for oscillations in some nonlinear nonautonomous delay differential equations. (English) Zbl 0887.34068 Nonlinear Anal., Theory Methods Appl. 29, No. 11, 1265-1276 (1997). Reviewer: R.G.Koplatadze (Tbilisi) MSC: 34K11 34C15 PDFBibTeX XMLCite \textit{B. Li} and \textit{Y. Kuang}, Nonlinear Anal., Theory Methods Appl. 29, No. 11, 1265--1276 (1997; Zbl 0887.34068) Full Text: DOI
Cairó, Laurent; Llibre, Jaume Phase portraits of planar semi-homogeneous vector fields. I. (English) Zbl 0886.34026 Nonlinear Anal., Theory Methods Appl. 29, No. 7, 783-811 (1997). Reviewer: C.Chicone (Columbia) MSC: 34C05 37G15 PDFBibTeX XMLCite \textit{L. Cairó} and \textit{J. Llibre}, Nonlinear Anal., Theory Methods Appl. 29, No. 7, 783--811 (1997; Zbl 0886.34026) Full Text: DOI
Greguš, M.; Graef, J. R.; Gera, M. Oscillating nonlinear third order differential equations. (English) Zbl 0871.34022 Nonlinear Anal., Theory Methods Appl. 28, No. 10, 1611-1622 (1997). MSC: 34C10 PDFBibTeX XMLCite \textit{M. Greguš} et al., Nonlinear Anal., Theory Methods Appl. 28, No. 10, 1611--1622 (1997; Zbl 0871.34022) Full Text: DOI
Orlov, V. P. Stability of zero solution of mathematical model of multidimensional barotropic viscoelastic medium. (English) Zbl 0866.76008 Nonlinear Anal., Theory Methods Appl. 26, No. 12, 1937-1950 (1996). Reviewer: S.Zahorski (Warszawa) MSC: 76A10 76E99 PDFBibTeX XMLCite \textit{V. P. Orlov}, Nonlinear Anal., Theory Methods Appl. 26, No. 12, 1937--1950 (1996; Zbl 0866.76008) Full Text: DOI
Nicolosi, Francesco; Skrypnik, Igor V. On the behaviour near the boundary of the solutions of nonlinear degenerate parabolic equations of higher order. (English) Zbl 0882.35023 Nonlinear Anal., Theory Methods Appl. 26, No. 10, 1669-1689 (1996). Reviewer: J.Danéček (Brno) MSC: 35B65 35K60 35K35 35K65 PDFBibTeX XMLCite \textit{F. Nicolosi} and \textit{I. V. Skrypnik}, Nonlinear Anal., Theory Methods Appl. 26, No. 10, 1669--1689 (1996; Zbl 0882.35023) Full Text: DOI
Ghisi, Marina Mild solutions of evolution equations and measures of noncompactness. (English) Zbl 0854.34062 Nonlinear Anal., Theory Methods Appl. 26, No. 7, 1193-1205 (1996). MSC: 34G20 PDFBibTeX XMLCite \textit{M. Ghisi}, Nonlinear Anal., Theory Methods Appl. 26, No. 7, 1193--1205 (1996; Zbl 0854.34062) Full Text: DOI
Chentsov, Alexandr G.; Pak, Vladimir E. On the extension of the nonlinear problem of optimal control with nonstationary phase restrictions. (English) Zbl 0839.49020 Nonlinear Anal., Theory Methods Appl. 26, No. 2, 383-394 (1996). Reviewer: V.M.Marchenko (Minsk) MSC: 49N99 93C10 PDFBibTeX XMLCite \textit{A. G. Chentsov} and \textit{V. E. Pak}, Nonlinear Anal., Theory Methods Appl. 26, No. 2, 383--394 (1996; Zbl 0839.49020) Full Text: DOI
Chidume, C. E. Steepest descent approximations for accretive operator equations. (English) Zbl 0941.47039 Nonlinear Anal., Theory Methods Appl. 26, No. 2, 299-311 (1996). Reviewer: Claudio H.Morales (MR 97b:47067) MSC: 47H06 47J25 PDFBibTeX XMLCite \textit{C. E. Chidume}, Nonlinear Anal., Theory Methods Appl. 26, No. 2, 299--311 (1996; Zbl 0941.47039) Full Text: DOI
Hatvani, L. On the asymptotic stability for a two-dimensional linear nonautonomous differential system. (English) Zbl 0844.34050 Nonlinear Anal., Theory Methods Appl. 25, No. 9-10, 991-1002 (1995). Reviewer: P.Habets (Louvain-La-Neuve) MSC: 34D20 PDFBibTeX XMLCite \textit{L. Hatvani}, Nonlinear Anal., Theory Methods Appl. 25, No. 9--10, 991--1002 (1995; Zbl 0844.34050) Full Text: DOI
Bernfeld, S. R. Exchange of stability of an equilibrium of homogeneous planar differential systems. (English) Zbl 0844.34048 Nonlinear Anal., Theory Methods Appl. 25, No. 9-10, 873-883 (1995). Reviewer: P.Habets (Louvain-La-Neuve) MSC: 34D20 34C23 PDFBibTeX XMLCite \textit{S. R. Bernfeld}, Nonlinear Anal., Theory Methods Appl. 25, No. 9--10, 873--883 (1995; Zbl 0844.34048) Full Text: DOI
Baumstein, Anatoly I.; Skubachevskii, Alexander L. On smooth solutions of the boundary-value problems for the systems of differential-difference equations. (English) Zbl 0834.34081 Nonlinear Anal., Theory Methods Appl. 25, No. 7, 655-668 (1995). Reviewer: Pavel Talpalaru (Iaşi) MSC: 34K10 PDFBibTeX XMLCite \textit{A. I. Baumstein} and \textit{A. L. Skubachevskii}, Nonlinear Anal., Theory Methods Appl. 25, No. 7, 655--668 (1995; Zbl 0834.34081) Full Text: DOI
Ge, Weigao; Weber, R. O. Comparison theorems of reaction-diffusion equations and their applications. (English) Zbl 0832.35006 Nonlinear Anal., Theory Methods Appl. 24, No. 5, 655-665 (1995). Reviewer: R.Sperb (Zürich) MSC: 35B05 35K60 35B40 PDFBibTeX XMLCite \textit{W. Ge} and \textit{R. O. Weber}, Nonlinear Anal., Theory Methods Appl. 24, No. 5, 655--665 (1995; Zbl 0832.35006) Full Text: DOI
Ashyralyev, Allaberen; Sobolevskij, Pavel Evseyevich Well-posed solvability of the Cauchy problem for difference equations of parabolic type. (English) Zbl 0818.65047 Nonlinear Anal., Theory Methods Appl. 24, No. 2, 257-264 (1995). Reviewer: P.Talpalaru (Iaşi) MSC: 65J10 65M20 65L05 65L12 35G10 35K25 34G10 PDFBibTeX XMLCite \textit{A. Ashyralyev} and \textit{P. E. Sobolevskij}, Nonlinear Anal., Theory Methods Appl. 24, No. 2, 257--264 (1995; Zbl 0818.65047) Full Text: DOI
Ashyralyev, Allaberen Well-posed solvability of the boundary value problem for difference equations of elliptic type. (English) Zbl 0818.65046 Nonlinear Anal., Theory Methods Appl. 24, No. 2, 251-256 (1995). Reviewer: P.Talpalaru (Iaşi) MSC: 65J10 65L10 65L12 34G10 PDFBibTeX XMLCite \textit{A. Ashyralyev}, Nonlinear Anal., Theory Methods Appl. 24, No. 2, 251--256 (1995; Zbl 0818.65046) Full Text: DOI
Drakhlin, Michael On the variational problem in the space of absolutely continuous functions. (English) Zbl 0827.34072 Nonlinear Anal., Theory Methods Appl. 23, No. 10, 1345-1351 (1994). Reviewer: M.Drakhlin (Judea) MSC: 34K35 49J25 PDFBibTeX XMLCite \textit{M. Drakhlin}, Nonlinear Anal., Theory Methods Appl. 23, No. 10, 1345--1351 (1994; Zbl 0827.34072) Full Text: DOI
Xia, Huaxing; Spanily, Tadeusz Global existence problem for singular functional differential equations. (English) Zbl 0777.34046 Nonlinear Anal., Theory Methods Appl. 20, No. 8, 921-934 (1993). Reviewer: M.M.Konstantinov (Sofia) MSC: 34K05 34A12 PDFBibTeX XMLCite \textit{H. Xia} and \textit{T. Spanily}, Nonlinear Anal., Theory Methods Appl. 20, No. 8, 921--934 (1993; Zbl 0777.34046) Full Text: DOI
Karakostas, George; Wu, Yumei Oscillation in dynamical systems. (English) Zbl 0778.34051 Nonlinear Anal., Theory Methods Appl. 20, No. 3, 269-283 (1993). Reviewer: P.Smith (Keele) MSC: 34K99 34C10 37-XX PDFBibTeX XMLCite \textit{G. Karakostas} and \textit{Y. Wu}, Nonlinear Anal., Theory Methods Appl. 20, No. 3, 269--283 (1993; Zbl 0778.34051) Full Text: DOI
Maciel, A. B. On hyperbolic-parabolic equation with a continuous nonlinearity. (English) Zbl 0802.35060 Nonlinear Anal., Theory Methods Appl. 20, No. 6, 745-754 (1993). MSC: 35G10 35K25 35L70 PDFBibTeX XMLCite \textit{A. B. Maciel}, Nonlinear Anal., Theory Methods Appl. 20, No. 6, 745--754 (1993; Zbl 0802.35060) Full Text: DOI
Wong, Patricia J. Y.; Agarwal, Ravi P. A new representation for the error function for the Hermite interpolation and sharper pointwise and uniform error bounds for the derivatives. (English) Zbl 0773.41007 Nonlinear Anal., Theory Methods Appl. 19, No. 8, 769-786 (1992). Reviewer: M.Reimer (Dortmund) MSC: 41A05 65D25 PDFBibTeX XMLCite \textit{P. J. Y. Wong} and \textit{R. P. Agarwal}, Nonlinear Anal., Theory Methods Appl. 19, No. 8, 769--786 (1992; Zbl 0773.41007) Full Text: DOI
Kaul, Saroop K. On impulsive semidynamical systems. II: Recursive properties. (English) Zbl 0724.34010 Nonlinear Anal., Theory Methods Appl. 16, No. 7-8, 635-645 (1991). Reviewer: C.Simirad (Iaşi) MSC: 34A37 37-XX PDFBibTeX XMLCite \textit{S. K. Kaul}, Nonlinear Anal., Theory Methods Appl. 16, No. 7--8, 635--645 (1991; Zbl 0724.34010) Full Text: DOI
Loginov, B. V.; Rusak, Yu. B. Generalized Jordan structure in the problem of the stability of bifurcation solutions. (Generalized Jordan structure in the problem of the stability of bifurcating solutions.) (English) Zbl 0739.34045 Nonlinear Anal., Theory Methods Appl. 17, No. 3, 219-232 (1991). Reviewer: S.G.Zhuravlev (Moskva) MSC: 34D20 34G20 34C23 PDFBibTeX XMLCite \textit{B. V. Loginov} and \textit{Yu. B. Rusak}, Nonlinear Anal., Theory Methods Appl. 17, No. 3, 219--232 (1991; Zbl 0739.34045) Full Text: DOI
Marino, Giuseppe Nonlinear boundary value problems for multivalued differential equations in Banach spaces. (English) Zbl 0692.34018 Nonlinear Anal., Theory Methods Appl. 14, No. 7, 545-558 (1990). Reviewer: G.Marino MSC: 34B15 PDFBibTeX XMLCite \textit{G. Marino}, Nonlinear Anal., Theory Methods Appl. 14, No. 7, 545--558 (1990; Zbl 0692.34018) Full Text: DOI
Amann, Herbert Dynamic theory of quasilinear parabolic equations: Abstract evolution equations. (English) Zbl 0666.35043 Nonlinear Anal., Theory Methods Appl. 12, No. 9, 895-919 (1988). Reviewer: M.Degiovanni MSC: 35G10 35K25 47H20 35A07 35K55 35B30 34G20 PDFBibTeX XMLCite \textit{H. Amann}, Nonlinear Anal., Theory Methods Appl. 12, No. 9, 895--919 (1988; Zbl 0666.35043) Full Text: DOI
Clarke, Frank H.; Watkins, Gavin G. Necessary conditions, controllability and the value function for differential-difference inclusions. (English) Zbl 0609.49013 Nonlinear Anal., Theory Methods Appl. 10, 1155-1179 (1986). Reviewer: Z.Wyderka MSC: 49K15 34K35 49J52 34A60 49J45 93B05 93B03 93C30 PDFBibTeX XMLCite \textit{F. H. Clarke} and \textit{G. G. Watkins}, Nonlinear Anal., Theory Methods Appl. 10, 1155--1179 (1986; Zbl 0609.49013) Full Text: DOI
Sager, Herbert C. Semilinear second order evolution equations of compact type with regular boundary conditions. (English) Zbl 0526.47028 Nonlinear Anal., Theory Methods Appl. 9, 79-101 (1985). MSC: 47E05 34G20 47H10 PDFBibTeX XMLCite \textit{H. C. Sager}, Nonlinear Anal., Theory Methods Appl. 9, 79--101 (1985; Zbl 0526.47028) Full Text: DOI
Sager, Herbert C. An evolution equation perturbed by an unbounded semilinear operator and a boundary condition. (English) Zbl 0557.47036 Nonlinear Anal., Theory Methods Appl. 8, 1151-1166 (1984). MSC: 47H20 34L99 34G20 47B06 PDFBibTeX XMLCite \textit{H. C. Sager}, Nonlinear Anal., Theory Methods Appl. 8, 1151--1166 (1984; Zbl 0557.47036) Full Text: DOI
Onose, H. Oscillator properties of the first order nonlinear advanced and delayed differential inequalities. (English) Zbl 0534.34034 Nonlinear Anal., Theory Methods Appl. 8, 171-180 (1984). MSC: 34C10 PDFBibTeX XMLCite \textit{H. Onose}, Nonlinear Anal., Theory Methods Appl. 8, 171--180 (1984; Zbl 0534.34034) Full Text: DOI
Kulenović, M. R.; Grammatikopoulos, M. K. First order functional differential inequalities with oscillating coefficients. (English) Zbl 0512.34054 Nonlinear Anal., Theory Methods Appl. 8, 1043-1054 (1984). MSC: 34K99 34A34 34C15 PDFBibTeX XMLCite \textit{M. R. Kulenović} and \textit{M. K. Grammatikopoulos}, Nonlinear Anal., Theory Methods Appl. 8, 1043--1054 (1984; Zbl 0512.34054) Full Text: DOI
Busenberg, S.; Iannelli, M. A class of nonlinear diffusion problems in age-dependent population dynamics. (English) Zbl 0528.92016 Nonlinear Anal., Theory Methods Appl. 7, 501-529 (1983). MSC: 92D25 45K05 45M05 PDFBibTeX XMLCite \textit{S. Busenberg} and \textit{M. Iannelli}, Nonlinear Anal., Theory Methods Appl. 7, 501--529 (1983; Zbl 0528.92016) Full Text: DOI
Nistri, Paolo Periodic control problems for a class of nonlinear periodic differential systems. (English) Zbl 0502.49004 Nonlinear Anal., Theory Methods Appl. 7, 79-90 (1983). MSC: 49J15 93C10 34C25 49K15 55M25 45B05 47Gxx PDFBibTeX XMLCite \textit{P. Nistri}, Nonlinear Anal., Theory Methods Appl. 7, 79--90 (1983; Zbl 0502.49004) Full Text: DOI
Kolmanovsky, V. B.; Nosov, V. R. Stability of neutral-type functional differential equations. (English) Zbl 0494.34052 Nonlinear Anal., Theory Methods Appl. 6, 873-910 (1982). MSC: 34K20 34D20 PDFBibTeX XMLCite \textit{V. B. Kolmanovsky} and \textit{V. R. Nosov}, Nonlinear Anal., Theory Methods Appl. 6, 873--910 (1982; Zbl 0494.34052) Full Text: DOI
Li, Bingxi Periodic orbits of autonomous ordinary differential equations: Theory and applications. (English) Zbl 0466.34021 Nonlinear Anal., Theory Methods Appl. 5, 931-958 (1981). MSC: 34C25 37-XX 34D20 34D05 PDFBibTeX XMLCite \textit{B. Li}, Nonlinear Anal., Theory Methods Appl. 5, 931--958 (1981; Zbl 0466.34021) Full Text: DOI
Corduneanu, C.; Lakshmikantham, V. Equations with unbounded delay: A survey. (English) Zbl 0449.34048 Nonlinear Anal., Theory Methods Appl. 4, 831-877 (1980). MSC: 34K05 34-02 34K99 34K10 34K20 45J05 PDFBibTeX XMLCite \textit{C. Corduneanu} and \textit{V. Lakshmikantham}, Nonlinear Anal., Theory Methods Appl. 4, 831--877 (1980; Zbl 0449.34048) Full Text: DOI
Vanderbauwhede, A. L. An abstract setting for the study of the Hopf bifurcation. (English) Zbl 0437.47044 Nonlinear Anal., Theory Methods Appl. 4, 547-566 (1980). MSC: 47J05 58E07 PDFBibTeX XMLCite \textit{A. L. Vanderbauwhede}, Nonlinear Anal., Theory Methods Appl. 4, 547--566 (1980; Zbl 0437.47044) Full Text: DOI
Prüss, Jan Periodic solutions of semilinear evolution equations. (English) Zbl 0419.34061 Nonlinear Anal., Theory Methods Appl. 3, 601-612 (1979). MSC: 34G20 34C25 47J05 PDFBibTeX XMLCite \textit{J. Prüss}, Nonlinear Anal., Theory Methods Appl. 3, 601--612 (1979; Zbl 0419.34061) Full Text: DOI
Emamirad, H. A.; Mehri, B. On the existence of periodic solutions for autonomous second-order systems. (English) Zbl 0419.34038 Nonlinear Anal., Theory Methods Appl. 3, 577-582 (1979). MSC: 34C25 34A34 34A99 PDFBibTeX XMLCite \textit{H. A. Emamirad} and \textit{B. Mehri}, Nonlinear Anal., Theory Methods Appl. 3, 577--582 (1979; Zbl 0419.34038) Full Text: DOI
Vainikko, G. Approximative methods for nonlinear equations (two approaches to the convergence problem). (English) Zbl 0401.65034 Nonlinear Anal., Theory, Methods Appl. 2, 647-687 (1978). MSC: 65J15 65N06 65R20 47H10 47J25 PDFBibTeX XMLCite \textit{G. Vainikko}, Nonlinear Anal., Theory Methods Appl. 2, 647--687 (1978; Zbl 0401.65034) Full Text: DOI
Anichini, Giuseppe Nonlinear problems for systems of differential equations. (English) Zbl 0388.34011 Nonlinear Anal., Theory, Methods Appl. 1, 691-699 (1977). MSC: 34B15 PDFBibTeX XMLCite \textit{G. Anichini}, Nonlinear Anal., Theory Methods Appl. 1, 691--699 (1977; Zbl 0388.34011) Full Text: DOI
Leela, S. Stability of differential systems with impulsive perturbations in terms of two measures. (English) Zbl 0383.34036 Nonlinear Anal., Theory, Methods Appl. 1, 667-677 (1977). MSC: 34D20 34D10 PDFBibTeX XMLCite \textit{S. Leela}, Nonlinear Anal., Theory Methods Appl. 1, 667--677 (1977; Zbl 0383.34036) Full Text: DOI
Lakshmikantham, V.; Leela, S. Cone-valued Lyapunov functions. (English) Zbl 0357.34051 Nonlinear Anal., Theory Methods Appl. 1, 215-222 (1977). MSC: 34D20 PDFBibTeX XMLCite \textit{V. Lakshmikantham} and \textit{S. Leela}, Nonlinear Anal., Theory Methods Appl. 1, 215--222 (1977; Zbl 0357.34051) Full Text: DOI