TY JOUR TI About influence of parameters of anisotropy on frequency spectrum and wave field of homogeneous rectangular area KW harmonic oscillations KW the method of superposition KW anisotropy KW natural frequencies. JO Actual directions of scientific researches of the XXI century: theory and practice AU Luparenko, E.. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov