TY - JOUR AU - H. Ugowski TI - Some theorems on the estimate and existence of solutions of integro-differential equations of parabolic type JO - Annales Polonici Mathematici PY - 1971 SP - 311 EP - 323 VL - 25 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-25-3-311-323/ DO - 10.4064/ap-25-3-311-323 LA - en ID - 10_4064_ap_25_3_311_323 ER -