On the existence of solutions of differential equations of retarded type in a Banach space

Wydawnictwa / Czasopisma IMPAN / Annales Polonici Mathematici / Wszystkie zeszyty

V. Lakshmikantham, A. R. Mitchell, R. W. Mitchell Annales Polonici Mathematici 35 (1978), 253-260 DOI: 10.4064/ap-35-3-253-260