%0 Journal Article
%A V. I. Zhegalov
%T Boundary value problem for a mixed-type equation of higher order
%J Doklady Akademii Nauk
%D 1961
%P 274-276
%V 136
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1961_136_2_a3/
%G ru
%F DAN_1961_136_2_a3