%0 Journal Article
%A P. A. Krutitskii
%T On the asymptotics of the gradient of the solution and the appearance of singularities in an initial-boundary value problem for an equation of composite type
%J Doklady Akademii Nauk
%D 1996
%P 586-591
%V 351
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1996_351_5_a1/
%G ru
%F DAN_1996_351_5_a1