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@article{PORMA_1983__42_2_115535, author = {Ehrlich, Gertrude}, title = {Filial rings}, journal = {Portugaliae mathematica}, pages = {185--194}, publisher = {mathdoc}, volume = {42}, number = {2}, year = {1983}, mrnumber = {0819449}, zbl = {0571.16014}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1983__42_2_115535/} }
Ehrlich, Gertrude. Filial rings. Portugaliae mathematica, Tome 42 (1983) no. 2, pp. 185-194. http://geodesic.mathdoc.fr/item/PORMA_1983__42_2_115535/