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On Steinitz's Theorem about non-inscribable Polyhedra. Indag. Math. 25 (1963), 452-455.
MR 0152945 |
Zbl 0115.15005
[2] Jucovič E.: Самосопряженные К-полиэдры. Matematicko-fyzikálny časopis 12 (1962), 1-22.
[3] Coolidge J. L.: A treatise on the circle and the sphere. Oxford 1916.