00569naa#a2200169#i#450# EN\\bibl\3984 20240508210533.3 2308-8877 20141113b2014####ek#y0engy0150####ca RUS RU Controls heuristic activity of students at studying higher mathematics Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2014 3 с. Journal article local Reutova I. naukaru.ru