@article{MOMA_1984__98_178197,
     author = {Tin-Yau Tam},
     title = {A {Unified} {Extension} of {Some} {Results} of {Thompson,} {Marcus} and {Moyls.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {157--166},
     publisher = {mathdoc},
     volume = {98},
     year = {1984},
     zbl = {0543.15009},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1984__98_178197/}
}