@article{MM2_1973__8_154139,
     author = {Lothar Gerritzen},
     title = {Periode und {Index} eines prinzipal-homogenen {Raumes} \"uber gewissen {Abelschen} {Variet\"aten.}},
     journal = {Manuscripta mathematica},
     pages = {131--142},
     publisher = {mathdoc},
     volume = {8},
     year = {1973},
     zbl = {0244.14015},
     url = {http://geodesic.mathdoc.fr/item/MM2_1973__8_154139/}
}