TY JOUR TI Cosine weighting function spaces and semigroup Gauss-weierstrass KW Strongly continuous semigroups KW the Cauchy problem. semigroup Gauss-Veershtrassa KW heat equation. JO Actual directions of scientific researches of the XXI century: theory and practice AU Chekhov, S.. AU Kostin, A.. AU Fakhad, A.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov