00611naa#a2200181#i#450# EN\\bibl\3218 20250125203802.6 2308-8877 20140617b2014####ek#y0engy0150####ca RUS RU Some features of the solution of tasks with application of concept of the limit Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2014 4 с. Journal article local Yakusheva N. Pokornaya I. naukaru.ru