%0 Journal Article %A N. S. Bakhvalov %A M. È. Èglit %T On the rate of propagation of perturbations in micro-inhomogeneous %J Doklady Akademii Nauk %D 1992 %P 13-18 %V 323 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1992_323_1_a1/ %G ru %F DAN_1992_323_1_a1