TY  - JOUR
AU  - Kh. M. Shadimetov
AU  - R. N. Mirzakabilov
TI  - Optimal difference formulas in the Sobolev space
JO  - Contemporary Mathematics. Fundamental Directions
PY  - 2022
SP  - 167
EP  - 177
VL  - 68
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMFD_2022_68_1_a12/
LA  - ru
ID  - CMFD_2022_68_1_a12
ER  -