%0 Journal Article %A L. A. Kalyakin %T Perturbation of a simple wave: from simulation to asymptotics %J Ufa mathematical journal %D 2023 %P 54-68 %V 15 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/UFA_2023_15_3_a3/ %G en %F UFA_2023_15_3_a3