%0 Journal Article %A M. N. Kuznetsova %T On nonlinear hyperbolic systems related by B\"acklund transforms %J Ufa mathematical journal %D 2023 %P 80-87 %V 15 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/UFA_2023_15_3_a5/ %G en %F UFA_2023_15_3_a5