TY - JOUR AU - V. G. Marikhin TI - Quasi-St\"ackel systems and two-dimensional Schr\"odinger equations in an~electromagnetic field JO - Teoretičeskaâ i matematičeskaâ fizika PY - 2013 SP - 83 EP - 92 VL - 177 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_2013_177_1_a2/ LA - ru ID - TMF_2013_177_1_a2 ER -