00483naa#a2200169#i#450# EN\INFRA-M\bibl\105748 20260328124849.6 2500-3313 20250626b2025####ek#y0engy0150####ca RU Modeling a Cylindroid in Point Calculus Journal article Moscow INFRA-M Academic Publishing LLC. 2025 4 с. Journal article local Геометрия. 514 Stepura A. V. naukaru.ru