00520naa#a2200169#i#450# EN\INFRA-M\bibl\91695 20250105160338.7 2500-0489 20241208b2024####ek#y0engy0150####ca RU A problem of incorrect three-dimensional model extraction in 3DF Zephyr free Journal article Moscow INFRA-M Academic Publishing LLC. 2024 3 с. Journal article local Геометрия. 514 Kalinkin M. A. zh-szf.ru