00629naa#a2200193#i#450# EN\\bibl\3912 20241212150123.4 2308-8877 20141113b2014####ek#y0engy0150####ca RUS RU Cosine weighting function spaces and semigroup Gauss-weierstrass Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2014 1 с. Journal article local Chekhov S. Kostin Andrey Fakhad A. anni.editorum.ru