%0 Journal Article
%A Yu. I. Cherskii
%T The reduction of mixed boundary problems to the Riemannian boundary problem
%J Doklady Akademii Nauk
%D 1957
%P 927-929
%V 116
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1957_116_6_a7/
%G ru
%F DAN_1957_116_6_a7