%0 Journal Article
%A A. N. Artyushin
%T Variational inequalities for the wave equation with a constraint
%J Doklady Akademii Nauk
%D 1990
%P 1033-1035
%V 311
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1990_311_5_a0/
%G ru
%F DAN_1990_311_5_a0