@article{JRAM_1978__298_151976,
     author = {Henner Kr\"oger},
     title = {Ein {Assoziativit\"atskriterium} vom {Foulis-Holland-Typ.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {196--198},
     publisher = {mathdoc},
     volume = {298},
     year = {1978},
     zbl = {0366.06017},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1978__298_151976/}
}