%0 Journal Article
%A Jian Zhang
%A Ji Shu
%T On a Class of Nonlinear Schr\"{o}dinger Equations with Nonnegative Potentials in Two Space Dimensions
%J Matematičeskie zametki
%D 2012
%P 515-521
%V 91
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_2012_91_4_a3/
%G ru
%F MZM_2012_91_4_a3