@article{05312413, title = {On }, journal = {Journal of Applied Mathematics and Stochastic Analysis}, volume = {2006}, year = {2006}, doi = {10.1155/JAMSA/2006/81508}, zbl = {1170.90319}, language = {en}, url = {http://dml.mathdoc.fr/item/05312413} }
Ushakumari, P.V. On . Journal of Applied Mathematics and Stochastic Analysis, Tome 2006 (2006) . doi : 10.1155/JAMSA/2006/81508. http://gdmltest.u-ga.fr/item/05312413/