@article{PORMA_1988__45_2_115618,
     author = {Andrusziewicz, R. and Puczylowski, E.R.},
     title = {On filial rings},
     journal = {Portugaliae mathematica},
     pages = {139--149},
     publisher = {mathdoc},
     volume = {45},
     number = {2},
     year = {1988},
     mrnumber = {0952532},
     zbl = {0653.16024},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1988__45_2_115618/}
}