@article{oai:repository.dl.itc.u-tokyo.ac.jp:00039385, author = {Furuta, Mikio and Hashimoto, Yoshitake}, issue = {3}, 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 = {585--600}, title = {Invariant instantons on $\mathbb{S}^4$}, volume = {37}, year = {1990} }