@article{MAN_1970__186_161970,
     author = {E. OSSA},
     title = {Fixpunktfreie {S1-Aktionen.}},
     journal = {Mathematische Annalen},
     pages = {45--52},
     publisher = {mathdoc},
     volume = {186},
     year = {1970},
     url = {http://geodesic.mathdoc.fr/item/MAN_1970__186_161970/}
}