%0 Journal Article
%A Ibrahim, Sobhy El-sayed
%T On $L^2_w$-quasi-derivatives for solutions of perturbed general quasi-differential equations
%J Czechoslovak Mathematical Journal
%D 1999
%P 877-890
%V 49
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMJ_1999__49_4_a18/
%G en
%F CMJ_1999__49_4_a18