TY - JOUR AU - V. V. Mazepus TI - Collective excitations of finite fermi systems in the region of a~phase transition JO - Teoretičeskaâ i matematičeskaâ fizika PY - 1975 SP - 406 EP - 411 VL - 22 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_1975_22_3_a11/ LA - ru ID - TMF_1975_22_3_a11 ER -