%0 Journal Article
%A I. E. Egorov
%T Solvability of a boundary value problem for a high-order equation of mixed type
%J Differencialʹnye uravneniâ
%D 1987
%P 1560-1567
%V 23
%N 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1987_23_9_a10/
%G ru
%F DE_1987_23_9_a10