@article{02111797,
title = {Approximate controllability of semilinear neutral systems in Hilbert spaces.},
journal = {Journal of Applied Mathematics and Stochastic Analysis},
volume = {16},
year = {2003},
pages = {233-242},
doi = {10.1155/S1048953303000170},
zbl = {1052.93009},
language = {en},
url = {http://dml.mathdoc.fr/item/02111797}
}
Mahmudov, N.I.; Zorlu, S. Approximate controllability of semilinear neutral systems in Hilbert spaces.. Journal of Applied Mathematics and Stochastic Analysis, Tome 16 (2003) pp. 233-242. doi : 10.1155/S1048953303000170. http://gdmltest.u-ga.fr/item/02111797/