%0 Journal Article
%A A. I. Koshelev
%T Smoothness of the solutions of some nonlinear boundary value
%J Doklady Akademii Nauk
%D 1988
%P 26-28
%V 298
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1988_298_1_a4/
%G ru
%F DAN_1988_298_1_a4