Vol. 64,   1   (1995) pp.   113-122
POSITIVE SOLUTIONS OF VOLTERRA INTEGRO-DIFFERENTIAL EQUATIONS
YUMEI WU
Abstract. 
Sufficient conditions for existence of positive solutions of integro\hyphdifferential equations of Volterra type are given and existence of solutions with zero crossing $(0, +\infty)$ of integro\hyphdifferential equations is investigated.