%0 Journal Article
%A A. A. Zlotnik
%A B. N. Chetverushkin
%T Properties and errors of second-order parabolic and hyperbolic perturbations of a first-order symmetric hyperbolic system
%J Sbornik. Mathematics
%D 2023
%P 444-478
%V 214
%N 4
%U http://geodesic.mathdoc.fr/item/SM_2023_214_4_a0/
%G en
%F SM_2023_214_4_a0