TY - JOUR AU - L. A. Sakhnovich TI - Some properties of the discrete spectrum of the radial Schr\"odinger equation JO - Doklady Akademii Nauk PY - 1963 SP - 286 EP - 289 VL - 153 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1963_153_2_a9/ LA - ru ID - DAN_1963_153_2_a9 ER -