@article{00930042, title = {The }, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {19}, year = {1996}, pages = {667-678}, doi = {10.1155/S0161171296000932}, zbl = {0856.41021}, language = {en}, url = {http://dml.mathdoc.fr/item/00930042} }
Lupaş, Aleandru; Mache, Detlef H. The . International Journal of Mathematics and Mathematical Sciences, Tome 19 (1996) pp. 667-678. doi : 10.1155/S0161171296000932. http://gdmltest.u-ga.fr/item/00930042/