@article{PORMA_1994__51_1_47201,
     author = {Salem, Refaat M.},
     title = {Skew polynomial rings satisfying - property.},
     journal = {Portugaliae mathematica},
     pages = {63--69},
     publisher = {mathdoc},
     volume = {51},
     number = {1},
     year = {1994},
     zbl = {0818.16020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1994__51_1_47201/}
}