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@article{PIM_1983_N_S_34_48_a11, author = {N. J. Groenewald}, title = {A {Note} on {Extensions} of {Bear} and {P.p.-rings}}, journal = {Publications de l'Institut Math\'ematique}, pages = {71 }, publisher = {mathdoc}, volume = {_N_S_34}, number = {48}, year = {1983}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PIM_1983_N_S_34_48_a11/} }
N. J. Groenewald. A Note on Extensions of Bear and P.p.-rings. Publications de l'Institut Mathématique, _N_S_34 (1983) no. 48, p. 71 . http://geodesic.mathdoc.fr/item/PIM_1983_N_S_34_48_a11/