@article{1102970263, author = {Kleinfeld, Erwin}, title = {A generalization of commutative and associative rings.}, journal = {Pacific J. Math.}, volume = {39}, number = {3}, year = {1971}, pages = { 95-101}, language = {en}, url = {http://dml.mathdoc.fr/item/1102970263} }
Kleinfeld, Erwin. A generalization of commutative and associative rings.. Pacific J. Math., Tome 39 (1971) no. 3, pp. 95-101. http://gdmltest.u-ga.fr/item/1102970263/