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Karakostas, G. L.; Palamides, P. K. A boundary value problem for operator equations in Hilbert spaces. (English) Zbl 0994.34049 J. Math. Anal. Appl. 261, No. 1, 289-294 (2001). Reviewer: Etienne Emmrich (Berlin) MSC: 34G20 34B15 PDF BibTeX XML Cite \textit{G. L. Karakostas} and \textit{P. K. Palamides}, J. Math. Anal. Appl. 261, No. 1, 289--294 (2001; Zbl 0994.34049) Full Text: DOI OpenURL
Agarwal, Ravi P.; Wong, Fu-Hsiang An application of topological transversality to non-positive higher order difference equations. (English) Zbl 0931.39002 Appl. Math. Comput. 99, No. 2-3, 167-178 (1999). Reviewer: R.Vaillancourt (Ottawa) MSC: 39A10 47J05 PDF BibTeX XML Cite \textit{R. P. Agarwal} and \textit{F.-H. Wong}, Appl. Math. Comput. 99, No. 2--3, 167--178 (1999; Zbl 0931.39002) Full Text: DOI OpenURL
Wong, Fu-Hsiang; Lian, Wei-Cheng Positive solution for singular boundary value problems. (English) Zbl 0868.34019 Comput. Math. Appl. 32, No. 9, 41-49 (1996). MSC: 34B15 PDF BibTeX XML Cite \textit{F.-H. Wong} and \textit{W.-C. Lian}, Comput. Math. Appl. 32, No. 9, 41--49 (1996; Zbl 0868.34019) Full Text: DOI OpenURL
O’Regan, D. Measures of noncompactness, Darbo maps and differential equations in abstract spaces. (English) Zbl 0847.34069 Acta Math. Hung. 69, No. 3, 233-261 (1995). Reviewer: P.Craciunas (Iaşi) MSC: 34G20 34A12 34B15 PDF BibTeX XML Cite \textit{D. O'Regan}, Acta Math. Hung. 69, No. 3, 233--261 (1995; Zbl 0847.34069) Full Text: DOI OpenURL
Ntouyas, S. K.; Sficas, Y. G.; Tsamatos, P. Ch. An existence principle for boundary value problems for second order functional differential equations. (English) Zbl 0774.34052 Nonlinear Anal., Theory Methods Appl. 20, No. 3, 215-222 (1993). Reviewer: A.Burmistrova (Chelyabinsk) MSC: 34K10 PDF BibTeX XML Cite \textit{S. K. Ntouyas} et al., Nonlinear Anal., Theory Methods Appl. 20, No. 3, 215--222 (1993; Zbl 0774.34052) Full Text: DOI OpenURL
Ntouyas, S. K.; Tsamatos, P. Ch. An integral delay inequality and its applications to boundary value problems. (English) Zbl 0770.34046 Math. Nachr. 157, 201-209 (1992). Reviewer: Yang En Hao (Guangzhou) MSC: 34K10 45J05 26D10 PDF BibTeX XML Cite \textit{S. K. Ntouyas} and \textit{P. Ch. Tsamatos}, Math. Nachr. 157, 201--209 (1992; Zbl 0770.34046) Full Text: DOI OpenURL
O’Regan, Donal Second and higher order systems of boundary value problems. (English) Zbl 0744.34024 J. Math. Anal. Appl. 156, No. 1, 120-149 (1991). Reviewer: P.Zezza (Firenze) MSC: 34B15 PDF BibTeX XML Cite \textit{D. O'Regan}, J. Math. Anal. Appl. 156, No. 1, 120--149 (1991; Zbl 0744.34024) Full Text: DOI OpenURL
Tsamatos, P. Ch.; Ntouyas, S. K. Existence of solutions of boundary value problems for differential equations with deviating arguments, via the topological transversality method. (English) Zbl 0731.34076 Proc. R. Soc. Edinb., Sect. A 118, No. 1-2, 79-89 (1991). Reviewer: W.Šeda (Bratislava) MSC: 34K10 PDF BibTeX XML Cite \textit{P. Ch. Tsamatos} and \textit{S. K. Ntouyas}, Proc. R. Soc. Edinb., Sect. A, Math. 118, No. 1--2, 79--89 (1991; Zbl 0731.34076) Full Text: DOI OpenURL