%0 Journal Article %A P. V. Kovtunenko %T Propagation of perturbations in a thin layer of a fluid with viscosity stratification %J Sibirskij žurnal čistoj i prikladnoj matematiki %D 2015 %P 38-50 %V 15 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VNGU_2015_15_2_a2/ %G ru %F VNGU_2015_15_2_a2