%0 Journal Article
%A Ocalan, Ozkan
%T Oscillation of difference equations with variable coefficients.
%J Portugaliae mathematica
%D 2006
%P 407-414
%V 63
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/PORMA_2006__63_4_54015/
%G en
%F PORMA_2006__63_4_54015