@article{PIM_1978_N_S_23_37_a16,
     author = {Henner Kr\"oger},
     title = {Assoziativ-\"Anliche {Gesetze}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {129 },
     publisher = {mathdoc},
     volume = {_N_S_23},
     number = {37},
     year = {1978},
     url = {http://geodesic.mathdoc.fr/item/PIM_1978_N_S_23_37_a16/}
}