@article{oai:shizuoka.repo.nii.ac.jp:00013619, author = {Okabe, Takuya and Yoshimura, Jin}, issue = {2}, journal = {Bulletin of Mathematical Biology}, month = {Jan}, note = {application/pdf}, title = {Practical Basis of the Geometric Mean Fitness and its Application to Risk-Spreading Behavior}, volume = {84}, year = {2022} }