@article{MAN_1970__185_161956, author = {K.H. MAYER}, title = {Fixpunktfreie {Involutionen} von {7-Sph\"aren.}}, journal = {Mathematische Annalen}, pages = {250--258}, publisher = {mathdoc}, volume = {185}, year = {1970}, zbl = {0181.27002}, url = {http://geodesic.mathdoc.fr/item/MAN_1970__185_161956/} }