%0 Journal Article
%A A. Dzhuraev
%T On a degenerate boundary value problem in $3$-dimensional space
%J Doklady Akademii Nauk
%D 1991
%P 1043-1048
%V 320
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1991_320_5_a2/
%G ru
%F DAN_1991_320_5_a2