%0 Journal Article %T Definition of a zone of efficiency of active suppression of the noise extending on axisymmetric designs %A Polivaev, O.. %A Kuznyetsov, A.. %K active noise control, mathematical modeling, wave equation. %J Actual directions of scientific researches of the XXI century: theory and practice %D 2014 %N 2 %P 3 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov