TY - JOUR AU - Sh. M. Nasibov TI - On the~absence of global periodic solutions of a~ Schr\"{o}dinger-type nonlinear evolution equation JO - Teoretičeskaâ i matematičeskaâ fizika PY - 2021 SP - 69 EP - 73 VL - 208 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_2021_208_1_a4/ LA - ru ID - TMF_2021_208_1_a4 ER -