00488naa#a2200169#i#450# EN\INFRA-M\bibl\86033 20250120222325.1 2308-4898 20240329b2024####ek#y0engy0150####ca RU Expansion of Formation Options Linear Surfaces Journal article Moscow INFRA-M Academic Publishing LLC. 2024 8 с. Journal article local Геометрия. 514 Sal'kov N. A. zh-szf.ru