%0 Journal Article
%A A. Yanushauskas
%T On the problem of the oblique derivative
%J Doklady Akademii Nauk
%D 1965
%P 753-756
%V 164
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1965_164_4_a8/
%G ru
%F DAN_1965_164_4_a8