%0 Journal Article
%A V. K. Zakharov
%T The first boundary problem for an elliptical type of equations of order four, degenerating at the domain boundary
%J Doklady Akademii Nauk
%D 1957
%P 694-697
%V 114
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1957_114_4_a4/
%G ru
%F DAN_1957_114_4_a4