@article{JRAM_1976__0283_0284_151741,
     author = {Joe L. Mott and Michel Schexnayder},
     title = {Exact sequences of semi-value groups.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {388--401},
     publisher = {mathdoc},
     volume = {0283_0284},
     year = {1976},
     zbl = {0347.13001},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1976__0283_0284_151741/}
}