Maximal and minimal solutions and comparison results for differential equations in abstract cones

Wydawnictwa / Czasopisma IMPAN / Annales Polonici Mathematici / Wszystkie zeszyty

V. Lakshmikantham, A. Richard Mitchell, Roger W. Mitchell Annales Polonici Mathematici 34 (1977), 317-324 DOI: 10.4064/ap-34-3-317-324