TY - JOUR AU - Gerd Herzog AU - Roland Lemmert TI - Second order differential inequalities in Banach spaces JO - Annales Polonici Mathematici PY - 2001 SP - 69 EP - 78 VL - 77 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap77-1-6/ DO - 10.4064/ap77-1-6 LA - en ID - 10_4064_ap77_1_6 ER -