00512naa#a2200181#i#450# EN\INFRA-M\bibl\276 20240424173213.3 2308-4898 20130603b2013####ek#y0engy0150####ca RUS RU Reforming of geometrical and graphic knowledge estimates Journal article Moscow INFRA-M Academic Publishing LLC. 2013 1 с. Journal article local Kadykova Nina S. Sal'kov N. A. riorpub.com