@article{MASLO_2000_50_1_a5,
     author = {Ashraf, Mohammad},
     title = {Certain polynomial identities and commutativity of rings},
     journal = {Mathematica slovaca},
     pages = {59--65},
     year = {2000},
     volume = {50},
     number = {1},
     mrnumber = {1764345},
     zbl = {0958.16035},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_2000_50_1_a5/}
}