@article{BAG_1991__32_138484,
     author = {Jacek Michalski},
     title = {On minimization theorems for polyadic groups {H-derived} from groups},
     journal = {Beitr\"age zur Algebra und Geometrie},
     pages = {21--26},
     publisher = {mathdoc},
     volume = {32},
     year = {1991},
     zbl = {0810.20056},
     url = {http://geodesic.mathdoc.fr/item/BAG_1991__32_138484/}
}