@article{05237029,
title = {Oscillatority conditions for nonlinear systems with delay.},
journal = {Journal of Applied Mathematics},
volume = {2007},
year = {2007},
doi = {10.1155/2007/72561},
zbl = {1151.34054},
language = {en},
url = {http://dml.mathdoc.fr/item/05237029}
}
Efimov, Denis V.; Fradkov, Alexander L. Oscillatority conditions for nonlinear systems with delay.. Journal of Applied Mathematics, Tome 2007 (2007) . doi : 10.1155/2007/72561. http://gdmltest.u-ga.fr/item/05237029/