Mojsej, Ivan; Ohriska, Ján Comparison theorems for noncanonical third order nonlinear differential equations. (English) Zbl 1128.34021 Cent. Eur. J. Math. 5, No. 1, 154-163 (2007). Reviewer: Vasile Marinca (Timişoara) MSC: 34C10 34D05 PDFBibTeX XMLCite \textit{I. Mojsej} and \textit{J. Ohriska}, Cent. Eur. J. Math. 5, No. 1, 154--163 (2007; Zbl 1128.34021) Full Text: DOI
Ohriska, Ján Problems with one quarter. (English) Zbl 1081.34033 Czech. Math. J. 55, No. 2, 349-363 (2005). MSC: 34C10 PDFBibTeX XMLCite \textit{J. Ohriska}, Czech. Math. J. 55, No. 2, 349--363 (2005; Zbl 1081.34033) Full Text: DOI EuDML
Ohriska, J. Oscillation theorems for non-canonical self-adjoint differential equations of second order. (English) Zbl 1036.34037 Z. Anal. Anwend. 21, No. 2, 515-520 (2002). Reviewer: Zuzana Došlá (Brno) MSC: 34C10 PDFBibTeX XMLCite \textit{J. Ohriska}, Z. Anal. Anwend. 21, No. 2, 515--520 (2002; Zbl 1036.34037) Full Text: DOI
Ohriska, Jan Second-order selfadjoint differential equation and oscillation. (English) Zbl 0934.34025 Marušiak, Pavol (ed.) et al., Proceedings of the international scientific conference of mathematics, Žilina, Slovakia, June 30-July 3, 1998. Vol. I. Žilina: EDIS, Žilina University Publisher. 209-216 (1999). Reviewer: O.Došlý (Brno) MSC: 34C10 34B24 PDFBibTeX XMLCite \textit{J. Ohriska}, in: Proceedings of the international scientific conference of mathematics, Žilina, Slovakia, June 30--July 3, 1998. Vol. I. Žilina: EDIS, Žilina University Publisher. 209--216 (1999; Zbl 0934.34025)
Ohriska, Ján Positive coefficients case and oscillation. (English) Zbl 0931.34021 Discuss. Math., Differ. Incl. 18, No. 1-2, 5-17 (1998). Reviewer: J.Dzurina (Kosice) MSC: 34C10 PDFBibTeX XMLCite \textit{J. Ohriska}, Discuss. Math., Differ. Incl. 18, No. 1--2, 5--17 (1998; Zbl 0931.34021)
Ohriska, Jan Adjoint differential equations and oscillation. (English) Zbl 0847.34037 J. Math. Anal. Appl. 195, No. 3, 778-796 (1995). Reviewer: O.Došlý (Brno) MSC: 34C10 34A30 PDFBibTeX XMLCite \textit{J. Ohriska}, J. Math. Anal. Appl. 195, No. 3, 778--796 (1995; Zbl 0847.34037) Full Text: DOI
Dzurina, Jozef; Ohriska, Ján Asymptotic and oscillatory properties of differential equations with deviating argument. (English) Zbl 0768.34045 Hiroshima Math. J. 22, No. 3, 561-571 (1992). Reviewer: P.Marušiak (Žilina) MSC: 34K99 34K20 34C10 PDFBibTeX XMLCite \textit{J. Dzurina} and \textit{J. Ohriska}, Hiroshima Math. J. 22, No. 3, 561--571 (1992; Zbl 0768.34045)
Ohriska, Ján Oscillatory and asymptotic properties of third and fourth order linear differential equations. (English) Zbl 0688.34018 Czech. Math. J. 39(114), No. 2, 215-224 (1989). Reviewer: P.Marusciak MSC: 34C10 34E05 34A30 PDFBibTeX XMLCite \textit{J. Ohriska}, Czech. Math. J. 39(114), No. 2, 215--224 (1989; Zbl 0688.34018) Full Text: EuDML
Ohriska, Ján Oscillation of differential equations and v-derivatives. (English) Zbl 0673.34044 Czech. Math. J. 39(114), No. 1, 24-44 (1989). Reviewer: J.Ohriska MSC: 34C10 34C20 PDFBibTeX XMLCite \textit{J. Ohriska}, Czech. Math. J. 39(114), No. 1, 24--44 (1989; Zbl 0673.34044) Full Text: EuDML
Ohriska, Ján On the oscillation of a linear differential equation of second order. (English) Zbl 0673.34043 Czech. Math. J. 39(114), No. 1, 16-23 (1989). Reviewer: J.Ohriska MSC: 34C10 34A30 PDFBibTeX XMLCite \textit{J. Ohriska}, Czech. Math. J. 39(114), No. 1, 16--23 (1989; Zbl 0673.34043) Full Text: EuDML
Ohriska, Ján Nonoscillatory solutions of a second order nonlinear delay differential equation. (English) Zbl 0585.34046 Math. Slovaca 35, 105-110 (1985). Reviewer: S.Invernizzi MSC: 34K99 34C10 34A34 PDFBibTeX XMLCite \textit{J. Ohriska}, Math. Slovaca 35, 105--110 (1985; Zbl 0585.34046) Full Text: EuDML
Ohriska, Ján Oscillation of second order delay and ordinary differential equation. (English) Zbl 0543.34054 Czech. Math. J. 34(109), 107-112 (1984). Reviewer: M.M.Konstantinov MSC: 34K99 34C10 PDFBibTeX XMLCite \textit{J. Ohriska}, Czech. Math. J. 34(109), 107--112 (1984; Zbl 0543.34054) Full Text: EuDML
Ohriska, Jan Oscillation of \(n\)-th order linear and nonlinear delay differential equations. (English) Zbl 0506.34028 Czech. Math. J. 32(107), 271-274 (1982). MSC: 34C10 PDFBibTeX XMLCite \textit{J. Ohriska}, Czech. Math. J. 32(107), 271--274 (1982; Zbl 0506.34028) Full Text: EuDML
Ohriska, Jan Sufficient conditions for the oscillation of \(n\)-th order nonlinear delay differential equation. (English) Zbl 0443.34069 Czech. Math. J. 30(105), 490-497 (1980). MSC: 34K99 34C10 34A34 34C11 PDFBibTeX XMLCite \textit{J. Ohriska}, Czech. Math. J. 30(105), 490--497 (1980; Zbl 0443.34069) Full Text: EuDML
Ohriska, Ján The argument delay and oscillatory properties of differential equation of \(n\)-th order. (English) Zbl 0396.34058 Czech. Math. J. 29(104), 268-283 (1979). MSC: 34K99 34C10 PDFBibTeX XMLCite \textit{J. Ohriska}, Czech. Math. J. 29(104), 268--283 (1979; Zbl 0396.34058) Full Text: EuDML
Ohriska, Jan The influence of argument delay on oscillatory properties of a second- order differential equation. (English) Zbl 0429.34062 Math. Slovaca 28, 41-56 (1978). MSC: 34K99 34C10 PDFBibTeX XMLCite \textit{J. Ohriska}, Math. Slovaca 28, 41--56 (1978; Zbl 0429.34062) Full Text: EuDML