KVN
нет описания правки
16:31
+322
Glk
Новая страница: «'''Bipyramid''' --- бипирамида. The plane dual graph <math>D_{n}^{\ast}</math> of a ''prism'' <math>D_{n}</math> is the graph of a '''bipyramid'''. ==See…»
17:30
+193
