@article{00022389, title = {Existence of solutions of boundary value problems for functional differential equations.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {14}, year = {1991}, pages = {509-516}, doi = {10.1155/S0161171291000698}, zbl = {0744.34067}, language = {en}, url = {http://dml.mathdoc.fr/item/00022389} }
Ntouyas, S.K.; Tsamatos, P.Ch. Existence of solutions of boundary value problems for functional differential equations.. International Journal of Mathematics and Mathematical Sciences, Tome 14 (1991) pp. 509-516. doi : 10.1155/S0161171291000698. http://gdmltest.u-ga.fr/item/00022389/