TY - JOUR AU - V. E. Fedorov TI - Degenerate strongly continuous semigroups of operators JO - Algebra i analiz PY - 2000 SP - 173 EP - 200 VL - 12 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AA_2000_12_3_a5/ LA - ru ID - AA_2000_12_3_a5 ER -