TY  - JOUR
AU  - V. I. Uskov
TI  - Singular perturbations in first-order partial differential equations with matrix-differential operators
JO  - Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory
PY  - 2019
SP  - 132
EP  - 139
VL  - 173
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/INTO_2019_173_a10/
LA  - ru
ID  - INTO_2019_173_a10
ER  -