@article{PORMA_1961__20_2_114857,
     author = {Luh, Jiang},
     title = {On reflective ideals of a ring and of a semigroup},
     journal = {Portugaliae mathematica},
     pages = {119--125},
     publisher = {mathdoc},
     volume = {20},
     number = {2},
     year = {1961},
     mrnumber = {0131483},
     zbl = {0101.26103},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1961__20_2_114857/}
}