TY - JOUR AU - Kai Wang TI - Differentiable Circle Group Actions on Homotopy Complex Projective Spaces. JO - Mathematische Annalen PY - 1975 SP - 73 EP - 80 VL - 214 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MAN_1975__214_162682/ ID - MAN_1975__214_162682 ER -