TY - JOUR AU - S. A. Stepin TI - An estimate for the number of eigenvalues of the Schrödinger operator with a complex potential JO - Sbornik. Mathematics PY - 2017 SP - 269 EP - 284 VL - 208 IS - 2 UR - http://geodesic.mathdoc.fr/item/SM_2017_208_2_a5/ LA - en ID - SM_2017_208_2_a5 ER -