%0 Journal Article
%A È. M. Saak
%T Duality theorems for a problem with oblique derivative
%J Doklady Akademii Nauk
%D 1974
%P 521-524
%V 218
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1974_218_3_a5/
%G ru
%F DAN_1974_218_3_a5