期刊名称：International Journal of Mathematics and Mathematical Sciences
印刷版ISSN：0161-1712
电子版ISSN：1687-0425
出版年度：1991
卷号：14
DOI：10.1155/S0161171291000698
出版社：Hindawi Publishing Corporation
摘要：In this paper, using a simple and classical application of the Leray-Schauder
degree theory, we study the existence of solutions of the following boundary value
problem for functional differential equations
x″(t)
