TY  - JOUR
AU  - A. A. Zlotnik
AU  - B. N. Chetverushkin
TI  - Properties and errors of second-order parabolic and hyperbolic perturbations of a~first-order symmetric hyperbolic system
JO  - Sbornik. Mathematics
PY  - 2023
SP  - 444
EP  - 478
VL  - 214
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_2023_214_4_a0/
LA  - en
ID  - SM_2023_214_4_a0
ER  -