TY - JOUR AU - A. G. Baskakov TI - Linear differential operators with unbounded operator coefficients and semigroups of bounded operators JO - Matematičeskie zametki PY - 1996 SP - 811 EP - 820 VL - 59 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1996_59_6_a1/ LA - ru ID - MZM_1996_59_6_a1 ER -