@article{MZ_1978__161_172697,
     author = {Willi Meier},
     title = {Homotopy {Nilpotency} and {Localization.}},
     journal = {Mathematische Zeitschrift},
     pages = {169--184},
     year = {1978},
     volume = {161},
     zbl = {0367.55009},
     url = {http://geodesic.mathdoc.fr/item/MZ_1978__161_172697/}
}