%0 Journal Article %A Sh. M. Nasibov %T On the~absence of global periodic solutions of a~ Schr\"{o}dinger-type nonlinear evolution equation %J Teoretičeskaâ i matematičeskaâ fizika %D 2021 %P 69-73 %V 208 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_2021_208_1_a4/ %G ru %F TMF_2021_208_1_a4