@article{oai:soar-ir.repo.nii.ac.jp:00011998, author = {Inoue, Tomohisa and Miyauchi, Toshiyuki and Mukai, Juno}, journal = {Journal of the Faculty of Science Shinshu University}, month = {Jan}, note = {Group structures of the 2-primary components of the 31-stem homotopy groups of spheres were studied by Oda in 1979. There are,however, two incompletely determined groups. In this paper,our investigation with Toda's composition method gives structures of them., Article, Journal of the Faculty of Science Shinshu University 46: 1-19(2015)}, pages = {1--19}, title = {The 2-components of the 31-stem homotopy groups of the 9 and 10-spheres}, volume = {46}, year = {2015} }