00455naa#a2200169#i#450# EN\INFRA-M\bibl\53350 20241222113733.7 2308-4898 20220630b2022####ek#y0engy0150####ca RU ABOUT IMAGES Journal article Moscow INFRA-M Academic Publishing LLC. 2022 7 с. Journal article local Геометрия. 514 Sal'kov N. A. naukaru.ru