00672naa#a2200193#i#450# EN\INFRA-M\bibl\45413 /en/manage/index 20241112061508.2 2500-0489 20210728b2021####ek#y0engy0150####ca RU Theory and practice of descriptive geometry at the technical university Journal article Moscow INFRA-M Academic Publishing LLC. 2021 3 с. Journal article local Общие вопросы математических и естественных наук. 50 Danilova E. A. Chekalin A. A. test.editorum.ru /en/manage/index