TY - JOUR AU - J. MorchaƂo TI - On differential inequality for non-linear integro-differential equation with retardation JO - Commentationes Mathematicae PY - 1980 SP - 111 EP - 123 VL - 22 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.14708/cm.v22i1.6009/ DO - 10.14708/cm.v22i1.6009 LA - pl ID - 10_14708_cm_v22i1_6009 ER -