%0 Journal Article
%A A. M. Nakhushev
%T On a problem of mixed type for the equation $y(y-1)u_{xx}+u_{yy}=0$
%J Doklady Akademii Nauk
%D 1966
%P 536-539
%V 166
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1966_166_3_a7/
%G ru
%F DAN_1966_166_3_a7