%0 Journal Article
%A Szmanda, B.
%T Oscillation of solutions of second order difference equations
%J Portugaliae mathematica
%D 1978
%P 251-254
%V 37
%N 3-4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/PORMA_1978__37_3-4_115355/
%G en
%F PORMA_1978__37_3-4_115355