%0 Journal Article
%A A. A. Arkhipova
%T On least supersolutions for a~problem with an obstacle
%J Izvestiya. Mathematics 
%D 1973
%P 1153-1183
%V 7
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_1973_7_5_a8/
%G en
%F IM2_1973_7_5_a8