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@article{PORMA_1968__27_4_115835, author = {Moore, H.G. and Yaqub, Adil}, title = {A generalization of {Boolean} rings}, journal = {Portugaliae mathematica}, pages = {213--216}, publisher = {mathdoc}, volume = {27}, number = {4}, year = {1968}, mrnumber = {0266952}, zbl = {0198.05801}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1968__27_4_115835/} }
Moore, H.G.; Yaqub, Adil. A generalization of Boolean rings. Portugaliae mathematica, Tome 27 (1968) no. 4, pp. 213-216. http://geodesic.mathdoc.fr/item/PORMA_1968__27_4_115835/