@article{MZ_1972__128_171791,
     author = {Helmut Sa{\ss}},
     title = {Eine abstrakte {Definition} gewisser alternierender {Gruppen.}},
     journal = {Mathematische Zeitschrift},
     pages = {109--114},
     publisher = {mathdoc},
     volume = {128},
     year = {1972},
     zbl = {0231.20008},
     url = {http://geodesic.mathdoc.fr/item/MZ_1972__128_171791/}
}