TY - JOUR AU - W. Mlak TI - Differential inequalities with unbounded operators in Banach spaces JO - Annales Polonici Mathematici PY - 1960 SP - 101 EP - 111 VL - 9 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-9-1-101-111/ DO - 10.4064/ap-9-1-101-111 LA - en ID - 10_4064_ap_9_1_101_111 ER -