%0 Journal Article %A Zh. Jiang %A X. He %T NLS-tupe equations in~2+1 dimensions: New type of solutions and non-isospectral problems %J Teoretičeskaâ i matematičeskaâ fizika %D 1994 %P 382-389 %V 99 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1994_99_3_a4/ %G ru %F TMF_1994_99_3_a4