@article{MAN_1968__175_161648,
     author = {R. Baer},
     title = {Polyminimaxgruppen.},
     journal = {Mathematische Annalen},
     pages = {1--43},
     year = {1968},
     volume = {175},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MAN_1968__175_161648/}
}