TY - JOUR AU - G. M. Zhislin TI - Spectrum of the energy operator of molecule type systems on spaces of functions with given symmetry JO - Doklady Akademii Nauk PY - 1967 SP - 521 EP - 524 VL - 175 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1967_175_3_a3/ LA - ru ID - DAN_1967_175_3_a3 ER -