@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/}
}