@article{PIM_1977_N_S_21_35_a29,
     author = {Keng-Teh Tan},
     title = {Unique {Factorization} {In} {Group-Rings}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {197 },
     publisher = {mathdoc},
     volume = {_N_S_21},
     number = {35},
     year = {1977},
     url = {http://geodesic.mathdoc.fr/item/PIM_1977_N_S_21_35_a29/}
}