@article{03711285, title = {PIS for n-coupled nonlinear systems.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {3}, year = {1980}, pages = {789-791}, doi = {10.1155/S0161171280000579}, zbl = {0454.65039}, language = {en}, url = {http://dml.mathdoc.fr/item/03711285} }
Dey, S.K. PIS for n-coupled nonlinear systems.. International Journal of Mathematics and Mathematical Sciences, Tome 3 (1980) pp. 789-791. doi : 10.1155/S0161171280000579. http://gdmltest.u-ga.fr/item/03711285/