K. Balachandran et R. Sakthivel, Controllability of Sobolev-type semilinear integrodifferential systems in Banach spaces, APPL MATH L, 12(7), 1999, pp. 63-71
Sufficient conditions for controllability of Sobolev-type semilinear integr
odifferential systems in a Banach space are established. The results are ob
tained by using the Schaefer fixed-point theorem. (C) 1999 Elsevier Science
Ltd. All rights reserved.