@article{04196556,
title = {Existence and uniqueness of solutions of nonlocal problems for hyperbolic equation },
journal = {Journal of Applied Mathematics and Stochastic Analysis},
volume = {3},
year = {1990},
pages = {163-168},
doi = {10.1155/S1048953390000156},
zbl = {0725.35059},
language = {en},
url = {http://dml.mathdoc.fr/item/04196556}
}
Byszewski, L. Existence and uniqueness of solutions of nonlocal problems for hyperbolic equation . Journal of Applied Mathematics and Stochastic Analysis, Tome 3 (1990) pp. 163-168. doi : 10.1155/S1048953390000156. http://gdmltest.u-ga.fr/item/04196556/