@article{05351721,
title = {On the optimality of },
journal = {Journal of Applied Mathematics and Stochastic Analysis},
volume = {2008},
year = {2008},
doi = {10.1155/2008/158193},
zbl = {1153.90301},
language = {en},
url = {http://dml.mathdoc.fr/item/05351721}
}
Benkherouf, Lakdere. On the optimality of . Journal of Applied Mathematics and Stochastic Analysis, Tome 2008 (2008) . doi : 10.1155/2008/158193. http://gdmltest.u-ga.fr/item/05351721/