%0 Journal Article %A B. E. Kanguzhin %T Propagation of nonsmooth waves under singular perturbations of the wave equation %J Eurasian mathematical journal %D 2022 %P 41-50 %V 13 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/EMJ_2022_13_3_a3/ %G en %F EMJ_2022_13_3_a3