@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/