TY - JOUR AU - S. Cerrai TI - A Hille-Yosida theorem for weakly continuous semigroups. JO - Semigroup forum PY - 1994 SP - 349 EP - 368 VL - 49 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SF_1994__49_2_135359/ ID - SF_1994__49_2_135359 ER -