Oscillation of linear functional equations of the second order

MR1299861 Golda, Wies{\l}awa and Werbowski, Jaros{\l}aw Wiesfawa GOLDA and Jarosfaw WERBOWSKI Oscillation of linear functional equations of the second order Funkcialaj Ekvacioj. Serio Internacia 37 1994 221--227 http://fe.math.kobe-u.ac.jp/FE/Free/vol37/fe37-2-3.pdf http://fe.math.kobe-u.ac.jp/FE/FE_pdf_with_bookmark/FE35-40-en_KML/fe37-221-227/fe37-221-227.pdf http://www.ams.org/mathscinet-getitem?mr=MR1299861 fe37-221-227 1994 Oscillation of Linear Functional Equations of the Second Order GOLDA, Wiesfawa; WERBOWSKI, Jarosfaw GOLDA, Wiesfawa; WERBOWSKI, Jarosfaw 1 Fort, T. Finite differences and difference equations in the real domain Oxford University Press, London 1948 MR0024567 100 Cache/Fo/Fort,differences,*,1948,1949 vii+251

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4 Ladde, G. S.; Lakshmikanthan, V.; Zhang, B. G. Oscillation theory of differential equations with deviating arguments Marcel Dekker, Inc., New York 1987 MR1017244 100 Cache/La/Ladde,Oscillation,*,1987,1988 vi+308