Dang Dinh Hai Two point boundary value problem for differential equations with reflection of argument. (English) Zbl 0699.34017 J. Math. Anal. Appl. 144, No. 2, 313-321 (1989). Reviewer: D.Tila MSC: 34B10 PDFBibTeX XMLCite \textit{Dang Dinh Hai}, J. Math. Anal. Appl. 144, No. 2, 313--321 (1989; Zbl 0699.34017) Full Text: DOI
Wong, James S. W. A sublinear oscillation theorem. (English) Zbl 0691.34028 J. Math. Anal. Appl. 139, No. 2, 408-412 (1989). Reviewer: Zhujun Jing MSC: 34C10 34C15 PDFBibTeX XMLCite \textit{J. S. W. Wong}, J. Math. Anal. Appl. 139, No. 2, 408--412 (1989; Zbl 0691.34028) Full Text: DOI
Holmåker, Kjell Optimization problems for the differential equation \(y''-qy=0\). II. (English) Zbl 0689.49023 J. Math. Anal. Appl. 144, No. 2, 404-424 (1989). Reviewer: K.Holmåker MSC: 49K15 34H05 PDFBibTeX XMLCite \textit{K. Holmåker}, J. Math. Anal. Appl. 144, No. 2, 404--424 (1989; Zbl 0689.49023) Full Text: DOI
Hamedani, G. G.; Krenz, Gary S. Oscillation theorems for nth-order functional differential equations. (English) Zbl 0681.34059 J. Math. Anal. Appl. 141, No. 2, 389-398 (1989). MSC: 34K99 34C10 PDFBibTeX XMLCite \textit{G. G. Hamedani} and \textit{G. S. Krenz}, J. Math. Anal. Appl. 141, No. 2, 389--398 (1989; Zbl 0681.34059) Full Text: DOI
Adomian, G.; Elrod, M.; Rach, R. A new approach to boundary value equations and application to a generalization of Airy’s equation. (English) Zbl 0678.65057 J. Math. Anal. Appl. 140, No. 2, 554-568 (1989). Reviewer: M.Brokate MSC: 65L10 65Z05 35J25 34B30 PDFBibTeX XMLCite \textit{G. Adomian} et al., J. Math. Anal. Appl. 140, No. 2, 554--568 (1989; Zbl 0678.65057) Full Text: DOI
del Río Castillo, Rafael René Instability of the absolutely continuous spectrum of ordinary differential operators under local perturbations. (English) Zbl 0678.34026 J. Math. Anal. Appl. 142, No. 2, 591-604 (1989). MSC: 34L99 PDFBibTeX XMLCite \textit{R. R. del Río Castillo}, J. Math. Anal. Appl. 142, No. 2, 591--604 (1989; Zbl 0678.34026) Full Text: DOI
Cecchi, Mariella; Marini, Mauro Asymptotic decay of solutions of a nonlinear second-order differential equation with deviating argument. (English) Zbl 0674.34079 J. Math. Anal. Appl. 138, No. 2, 371-384 (1989). Reviewer: C.Mira MSC: 34K25 34A34 34K05 34E99 PDFBibTeX XMLCite \textit{M. Cecchi} and \textit{M. Marini}, J. Math. Anal. Appl. 138, No. 2, 371--384 (1989; Zbl 0674.34079) Full Text: DOI
Ladas, G.; Partheniadis, E. C.; Sficas, Y. G. Necessary and sufficient conditions for oscillations of second-order neutral equations. (English) Zbl 0668.34069 J. Math. Anal. Appl. 138, No. 1, 214-231 (1989). Reviewer: Charles A.Swanson (Vancouver) MSC: 34K99 34C10 PDFBibTeX XMLCite \textit{G. Ladas} et al., J. Math. Anal. Appl. 138, No. 1, 214--231 (1989; Zbl 0668.34069) Full Text: DOI