00554naa#a2200193#i#450# EN\INFRA-M\bibl\22484 20241130080409.6 2308-4898 20180821b2018####ek#y0engy0150####ca RUS RU Second Order Curves on Computer Screen Journal article Moscow INFRA-M Academic Publishing LLC. 2018 12 с. Journal article local Математика. 51 RUS Korotkiy Viktor Anatol'evich Usmanova E. A. zh-szf.ru