TY  - JOUR
AU  - V. I. Uskov
TI  - Asymptotic expansions of solutions of singularly perturbed equations
JO  - Vestnik Tverskogo gosudarstvennogo universiteta. Seriâ Prikladnaâ matematika
PY  - 2022
SP  - 18
EP  - 32
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VTPMK_2022_1_a1/
LA  - ru
ID  - VTPMK_2022_1_a1
ER  -