@article{CMH_1972__47_139527,
     author = {Herbert Abels},
     title = {Enden von {R\"aumen} mit eigentlichen {Transformationsgruppen}},
     journal = {Commentarii mathematici Helvetici},
     pages = {457--473},
     publisher = {mathdoc},
     volume = {47},
     year = {1972},
     zbl = {0253.54039},
     url = {http://geodesic.mathdoc.fr/item/CMH_1972__47_139527/}
}