00660naa#a2200217#i#450# EN\INFRA-M\bibl\17354 20240420185035.6 2308-4898 20170704b2017####ek#y0engy0150####ca RUS RU Academic Olympics on Descriptive Geometry As a Catalyst of Heuristic Thinking Journal article Moscow INFRA-M Academic Publishing LLC. 2017 8 с. Journal article local Математика. 51 RUS Sal'kov N. A. Vyshnyepolskiy Vladimir Igorevich Aristov V. M. Kulikov V. P. riorpub.com