Akiyama J, Hitotumatu S, Sato I. A NOTE ON THE EXISTENCE OF A UNIVERSAL POLYTOPE AMONG REGULAR 4-POLYTOPES. JIMS [Internet]. 2013 May 30 [cited 2024 Nov. 23];19(1):41-7. Available from: https://jims-a.org/index.php/jimsa/article/view/128