TY - JOUR AU - R. L. Frank AU - A. Laptev TI - Bound on the number of negative eigenvalues of two-dimensional Schrödinger operators on domains JO - Algebra i analiz PY - 2018 SP - 250 EP - 272 VL - 30 IS - 3 UR - http://geodesic.mathdoc.fr/item/AA_2018_30_3_a11/ LA - en ID - AA_2018_30_3_a11 ER -