@article{01333289,
title = {Differential inequalities with initial time difference and applications.},
journal = {Journal of Inequalities and Applications [electronic only]},
volume = {4},
year = {1999},
pages = {233-244},
doi = {10.1155/S1025583499000156},
zbl = {0933.34007},
language = {en},
url = {http://dml.mathdoc.fr/item/01333289}
}
Lakshmikantham, V.; Vatsala, A.S. Differential inequalities with initial time difference and applications.. Journal of Inequalities and Applications [electronic only], Tome 4 (1999) pp. 233-244. doi : 10.1155/S1025583499000156. http://gdmltest.u-ga.fr/item/01333289/