@article{oai:tsukuba.repo.nii.ac.jp:02001904, author = {西村, 泰一 and NISHIMURA, Hirokazu}, journal = {zbMATH Open}, month = {}, title = {a review of Grassmann convexity and multiplicative Sturm theory. Revisited by Saldanha, Nicolau; Shapiro, Boris; Shapiro, Michael}, year = {2021}, yomi = {ニシムラ, ヒロカズ} }