00594naa#a2200181#i#450# EN\INFRA-M\bibl\15767 20241012143250.6 2308-4898 20170417b2017####ek#y0engy0150####ca RUS RU Construction of Canal Surfaces With Variable Generatrix And Parallelism Plane Based on Plane’s Equiaffine Transformations Journal article Moscow INFRA-M Academic Publishing LLC. 2017 8 с. Journal article local Математика. 51 RUS Kokareva Ya. A. naukaru.ru