TY - JOUR AU - K. Nowak TI - On approximation of the solutions of linear differentia equations in Banach spaces by a difference proces JO - Commentationes Mathematicae PY - 1973 SP - 187 EP - 199 VL - 17 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.14708/cm.v17i1.5762/ DO - 10.14708/cm.v17i1.5762 LA - pl ID - 10_14708_cm_v17i1_5762 ER -