%0 Journal Article
%A I. E. Egorov
%T Solvability of a boundary value problem for a higher-order
%J Doklady Akademii Nauk
%D 1987
%P 785-788
%V 293
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1987_293_4_a2/
%G ru
%F DAN_1987_293_4_a2