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@article{MM2_1998__95_3_156366, author = {Charles P. Boyer}, title = {A note on smooth toral reductions of spheres.}, journal = {Manuscripta mathematica}, pages = {149--158}, publisher = {mathdoc}, volume = {95}, number = {3}, year = {1998}, zbl = {0913.53020}, url = {http://geodesic.mathdoc.fr/item/MM2_1998__95_3_156366/} }
Charles P. Boyer. A note on smooth toral reductions of spheres.. Manuscripta mathematica, Tome 95 (1998) no. 3, pp. 149-158. http://geodesic.mathdoc.fr/item/MM2_1998__95_3_156366/