4次元の図形を見よう
Let's Look at Four-Dimensional Figures

図形から拡がる数理科学 (学術俯瞰講義)
第11回 4次元の図形を見よう
河野 俊丈
Mathematical Science Developing from Figures (Global Focus on Knowledge)
#11 Let's Look at Four-Dimensional Figures
Toshitake Kohno