@article{oai:tsukuba.repo.nii.ac.jp:02001080, author = {西村, 泰一 and NISHIMURA, Hirokazu}, journal = {zbMATH Open}, month = {}, title = {a review of Monoidal characterisation of groupoids and connectors by Gran, Marino; Heunen, Chris; Tull, Sean}, year = {2021}, yomi = {ニシムラ, ヒロカズ} }