%0 Journal Article %A V. V. Shumilova %T Averaging of acoustic equation for partially perforated viscoelastic material with channels filled by a~liquid %J Contemporary Mathematics. Fundamental Directions %D 2011 %P 185-198 %V 39 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMFD_2011_39_a11/ %G ru %F CMFD_2011_39_a11