@article{GDZPPN002388162, title = {Group Membership in Rings of Various Types.}, journal = {Mathematische Zeitschrift}, volume = {70}, year = {1958}, pages = {231-244}, zbl = {0082.25302}, url = {http://dml.mathdoc.fr/item/GDZPPN002388162} }
Farahat, H.K.; Mirsky, L. Group Membership in Rings of Various Types.. Mathematische Zeitschrift, Tome 70 (1958) pp. 231-244. http://gdmltest.u-ga.fr/item/GDZPPN002388162/