TY - JOUR AU - Bojadziev, H. N. TI - Characterization of the generators of $C_0$ semigroups which leave a convex set invariant JO - Commentationes Mathematicae Universitatis Carolinae PY - 1984 SP - 159 EP - 170 VL - 25 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_1984__25_1_a12/ LA - en ID - CMUC_1984__25_1_a12 ER -