TY  - JOUR
AU  - È. M. Galeev
TI  - Linear widths of classes of periodic functions of several variables
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1987
SP  - 13
EP  - 16
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1987_4_a2/
LA  - ru
ID  - VMUMM_1987_4_a2
ER  -