@article{MZ_1962__79_170073, author = {Reinhold Baer}, title = {Abz\"ahlbar erkennbare gruppentheoretische {Eigenschaften.}}, journal = {Mathematische Zeitschrift}, pages = {344--363}, publisher = {mathdoc}, volume = {79}, year = {1962}, zbl = {0105.25901}, url = {http://geodesic.mathdoc.fr/item/MZ_1962__79_170073/} }