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 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov