%0 Journal Article
%A P. P. Zabreiko
%A V. I. Nazarov
%T Smoothness properties of solutions of nonlinear differential equations
%J Sbornik. Mathematics
%D 1992
%P 135-150
%V 72
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1992_72_1_a7/
%G en
%F SM_1992_72_1_a7