TY  - JOUR
AU  - S. V. Astashkin
TI  - All-Russian scientific conference “Mathematics and Mathematical Modeling”
JO  - Vestnik Samarskogo universiteta. Estestvennonaučnaâ seriâ
PY  - 2023
SP  - 7
VL  - 29
IS  - 3
UR  - http://geodesic.mathdoc.fr/item/VSGU_2023_29_3_a0/
LA  - ru
ID  - VSGU_2023_29_3_a0
ER  -