@article{05028370, title = {An }, journal = {Abstract and Applied Analysis}, volume = {2006}, year = {2006}, doi = {10.1155/AAA/2006/93163}, zbl = {1133.53002}, language = {en}, url = {http://dml.mathdoc.fr/item/05028370} }
Amster, P.; De Nápoli, P.; Mariani, M.C. An . Abstract and Applied Analysis, Tome 2006 (2006) . doi : 10.1155/AAA/2006/93163. http://gdmltest.u-ga.fr/item/05028370/