%0 Journal Article
%A N. S. Kellin
%T Conditionally stationary initial-boundary value problems in
%J Doklady Akademii Nauk
%D 1987
%P 339-342
%V 293
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1987_293_2_a18/
%G ru
%F DAN_1987_293_2_a18