@article{CMUC_1991__32_4_a17,
     author = {B\"orger, Reinhard},
     title = {Making factorizations compositive},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {749--759},
     publisher = {mathdoc},
     volume = {32},
     number = {4},
     year = {1991},
     mrnumber = {1159822},
     zbl = {0760.18001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1991__32_4_a17/}
}