@article{oai:repository.dl.itc.u-tokyo.ac.jp:00039345, author = {Fujioka, Atsushi}, issue = {1}, journal = {Journal of the Faculty of Science, the University of Tokyo. Sect. 1 A, Mathematics = 東京大学理学部紀要. 第1類A, 数学}, month = {}, note = {application/pdf}, pages = {125--139}, title = {Minimizing Tangent maps from $3$-ball to complex projective spaces}, volume = {40}, year = {1993} }