Geometriq Gel'mgol'ca
Kyrow, Vladimir![Geometriq Gel'mgol'ca](https://support.digitalhusky.com/media/annotations/sorted/376/37657646/CHSBZCOP0337657646.jpg)
Mihajlichenko Gennadiem Grigor'ewichem byla postroena klassifikaciq dwumernyh fenomenologicheski simmetrichnyh geometrij. Jeta klassifikaciq krome izwestnyh geometrij (geometriq Ewklida, simplekticheskaq, sfericheskaq i t.d.), soderzhit eschö i ranee ne izuchawshiesq geometrii, sredi kotoryh geometriq Gel'mgol'ca. Dannaq kniga poswqschena izucheniü nowyh geometrij. Bol'shoe wnimanie udelqetsq nahozhdeniü grupp dwizhenij ätih geometriq po metri...