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@article{MAN_1975__214_162682, author = {Kai Wang}, title = {Differentiable {Circle} {Group} {Actions} on {Homotopy} {Complex} {Projective} {Spaces.}}, journal = {Mathematische Annalen}, pages = {73--80}, publisher = {mathdoc}, volume = {214}, year = {1975}, zbl = {0285.57025}, url = {http://geodesic.mathdoc.fr/item/MAN_1975__214_162682/} }
Kai Wang. Differentiable Circle Group Actions on Homotopy Complex Projective Spaces.. Mathematische Annalen, Tome 214 (1975), pp. 73-80. http://geodesic.mathdoc.fr/item/MAN_1975__214_162682/