00523naa#a2200169#i#450# EN\INFRA-M\bibl\5349 20241219084620.4 2308-4898 20150417b2015####ek#y0engy0150####ca RUS RU Multidimensional Space and Visual Geometry in the Curriculum Geometric Preparation for Undergraduate Journal article Moscow INFRA-M Academic Publishing LLC. 2015 6 с. Journal article local Sokolova L. S. naukaru.ru