00558naa#a2200193#i#450# EN\INFRA-M\bibl\17345 20241221033941.6 2308-4898 20170704b2017####ek#y0engy0150####ca RUS RU On One Property of a Circle on the Coordinate Plane Journal article Moscow INFRA-M Academic Publishing LLC. 2017 11 с. Journal article local Математика. 51 RUS Grafskiy O. A. Ponomarchuk Yu. V. naukaru.ru