@article{01517260, title = {An exotic characterization of a commutative }, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {23}, year = {2000}, pages = {1-4}, doi = {10.1155/S0161171200003793}, zbl = {0964.46033}, language = {en}, url = {http://dml.mathdoc.fr/item/01517260} }
Saworotnow, Parfeny P. An exotic characterization of a commutative . International Journal of Mathematics and Mathematical Sciences, Tome 23 (2000) pp. 1-4. doi : 10.1155/S0161171200003793. http://gdmltest.u-ga.fr/item/01517260/