Radzhabov, N.; Ganiev, S. S. On a method for solving a nonmodel hyperbolic fourth order equation with a singular line. (Russian) Zbl 0771.35031 Dokl. Akad. Nauk Tadzh. SSR 34, No. 1, 10-13 (1991). Reviewer: B.Maslowski MSC: 35L25 PDFBibTeX XMLCite \textit{N. Radzhabov} and \textit{S. S. Ganiev}, Dokl. Akad. Nauk Tadzh. SSR 34, No. 1, 10--13 (1991; Zbl 0771.35031)
Taira, Kazuaki Boundary value problems and Markov processes. (English) Zbl 0766.60097 Lecture Notes in Mathematics. 1499. Berlin: Springer-Verlag. ix, 132 p. (1991). Reviewer: N.S.Bratijchuk (Kiev) MSC: 60J50 60-02 35L35 PDFBibTeX XMLCite \textit{K. Taira}, Boundary value problems and Markov processes. Berlin: Springer-Verlag (1991; Zbl 0766.60097) Full Text: DOI
Tunitskij, D. V. Nonlinear hyperbolic systems with two independent variables. (English. Russian original) Zbl 0757.35048 Differ. Equations 27, No. 1, 118-124 (1991); translation from Differ. Uravn. 27, No. 1, 147-155 (1991). MSC: 35L75 35L30 35M10 PDFBibTeX XMLCite \textit{D. V. Tunitskij}, Differ. Equations 27, No. 1, 118--124 (1991; Zbl 0757.35048); translation from Differ. Uravn. 27, No. 1, 147--155 (1991)
Malovichko, V. A. Boundary-value problems for degenerate pseudoparabolic and pseudohyperbolic systems. (English. Russian original) Zbl 0828.35069 Differ. Equations 27, No. 12, 1509-1512 (1991); translation from Differ. Uravn. 27, No. 12, 2120-2124 (1991). Reviewer: E.Schechter (MR 93b:35077) MSC: 35K65 35G15 35L80 PDFBibTeX XMLCite \textit{V. A. Malovichko}, Differ. Equations 27, No. 12, 1509--1512 (1991; Zbl 0828.35069); translation from Differ. Uravn. 27, No. 12, 2120--2124 (1991)
Kataoka, Kiyômi; Tose, Nobuyuki On microhyperbolic mixed problems. (English) Zbl 0751.35025 J. Math. Soc. Japan 43, No. 2, 261-304 (1991). Reviewer: A.Doktor (Praha) MSC: 35L35 32C35 32A45 35A27 PDFBibTeX XMLCite \textit{K. Kataoka} and \textit{N. Tose}, J. Math. Soc. Japan 43, No. 2, 261--304 (1991; Zbl 0751.35025) Full Text: DOI
D’Acunto, B.; D’Anna, A. Existence, uniqueness and stability for a semi-linear equation of the viscoelasticity. (English) Zbl 0738.35038 Rend. Mat. Appl., VII. Ser. 11, No. 2, 221-248 (1991). Reviewer: J.Sprekels (Essen) MSC: 35L35 35B35 35B65 35B50 74D05 74D10 PDFBibTeX XMLCite \textit{B. D'Acunto} and \textit{A. D'Anna}, Rend. Mat. Appl., VII. Ser. 11, No. 2, 221--248 (1991; Zbl 0738.35038)
Day, W. A. Inequalities associated with standing wave solutions of a hyperbolic equation. (English) Zbl 0739.73022 Q. Appl. Math. 49, No. 2, 201-213 (1991). Reviewer: S.L.Edelstein (Rostov-na-Donu) MSC: 74H45 74K05 34B05 35L20 74K10 PDFBibTeX XMLCite \textit{W. A. Day}, Q. Appl. Math. 49, No. 2, 201--213 (1991; Zbl 0739.73022) Full Text: DOI
Èfendiev, M. I. A high-order strictly hyperbolic equation in spaces \(L^ p(\mathbb R^ n)\), \(1<p<+\infty\). (English. Russian original) Zbl 0743.35040 Differ. Equations 27, No. 2, 227-233 (1991); translation from Differ. Uravn. 27, No. 2, 312-320 (1991). Reviewer: Valentin Chernyatin (Moskva) MSC: 35L25 35B45 35D30 42B10 PDFBibTeX XMLCite \textit{M. I. Èfendiev}, Differ. Equations 27, No. 2, 227--233 (1991; Zbl 0743.35040); translation from Differ. Uravn. 27, No. 2, 312--320 (1991)
Walczak, S. Optimality conditions for a Bolza problem governed by a hyperbolic system of Darboux-Goursat type. (English) Zbl 0742.49018 Ann. Pol. Math. 53, No. 1, 7-14 (1991). Reviewer: G.Popov (Sofia) MSC: 49K20 35L55 PDFBibTeX XMLCite \textit{S. Walczak}, Ann. Pol. Math. 53, No. 1, 7--14 (1991; Zbl 0742.49018) Full Text: DOI