TY - JOUR AU - G. M. Zhislin TI - On the finiteness of the discrete spectrum of the energy operator of negative atomic and molecular ions JO - Teoretičeskaâ i matematičeskaâ fizika PY - 1971 SP - 332 EP - 341 VL - 7 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_1971_7_3_a4/ LA - ru ID - TMF_1971_7_3_a4 ER -