@article{00222319, title = {On }, journal = {Journal of Applied Mathematics and Stochastic Analysis}, volume = {5}, year = {1992}, pages = {331-337}, doi = {10.1155/S1048953392000285}, zbl = {0771.34044}, language = {en}, url = {http://dml.mathdoc.fr/item/00222319} }
Liu, Xinzhi. On . Journal of Applied Mathematics and Stochastic Analysis, Tome 5 (1992) pp. 331-337. doi : 10.1155/S1048953392000285. http://gdmltest.u-ga.fr/item/00222319/