@article{01780273, title = {Multivariable }, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {25}, year = {2001}, pages = {331-358}, doi = {10.1155/S0161171201012017}, zbl = {1049.33014}, language = {en}, url = {http://dml.mathdoc.fr/item/01780273} }
Rosengren, Hjalmar. Multivariable . International Journal of Mathematics and Mathematical Sciences, Tome 25 (2001) pp. 331-358. doi : 10.1155/S0161171201012017. http://gdmltest.u-ga.fr/item/01780273/