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冲突 发表于 2025-3-26 19:57:29

,Odd or Even, Jitterbug Versus Grünbaum’s Double Polyhedra,orm polyhedra to be vertex-transitive polyhedra with regular faces. They define a polyhedron to be a finite set of polygons such that each side of a polygon is a side of just one other polygon, such that no non-empty proper subset of the polygons has the same property. By a polygon they implicitly m
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查看完整版本: Titlebook: Family Planning; P. F. Selman Book 1988 The Economic and Social Research Council 1988 Childlessness.behavior.development.evaluation.family