@article{PORMA_1968__27_4_115075,
     author = {Ehrlich, Gertrude},
     title = {Unit-regular rings},
     journal = {Portugaliae mathematica},
     pages = {209--212},
     publisher = {mathdoc},
     volume = {27},
     number = {4},
     year = {1968},
     mrnumber = {0266962},
     zbl = {0201.03901},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1968__27_4_115075/}
}