%0 Journal Article
%A B. V. Melent'ev
%T An existence theorem for the solution of a boundary-value problem for an equation of mixed type
%J Doklady Akademii Nauk
%D 1962
%P 1251-1254
%V 142
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1962_142_6_a8/
%G ru
%F DAN_1962_142_6_a8