TY - JOUR AU - Dragomir Ž. Đoković TI - A Theorem On Semigroups Of Linear Operators JO - Publications de l 'Institut Mathématique PY - 1963 SP - 129 VL - 3(17) IS - 23 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/item/PUIM_1963__3(17)_23_258407/ LA - en ID - PUIM_1963__3(17)_23_258407 ER -