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@article{MAN_1976__224_162901, author = {Friedrich Hegenbarth}, title = {Examples of {Free} {Involutions} on {Manifolds.}}, journal = {Mathematische Annalen}, pages = {117--128}, publisher = {mathdoc}, volume = {224}, year = {1976}, zbl = {0321.57030}, url = {http://geodesic.mathdoc.fr/item/MAN_1976__224_162901/} }
Friedrich Hegenbarth. Examples of Free Involutions on Manifolds.. Mathematische Annalen, Tome 224 (1976), pp. 117-128. http://geodesic.mathdoc.fr/item/MAN_1976__224_162901/