E. R HASSAN
Faculty of Engineering, Al-A zhar University, Nasr City, Cairo, Egypt.
The existence of extremal solutions of the following functional Cauchy prob-lem [FCP]
is investigated here. The main results established for non-funational Cauchy problem [N-FCP]
in R [J. Math. Anal. Appl.198(1996),657-670] are generalized here in R, as well as in R’as
well as in Rⁿ