TY  - JOUR
AU  - N. P. Korneichuk
TI  - Certain relations between the approximative characteristics of classes of periodic functions
JO  - Informatics and Automation
PY  - 1975
SP  - 115
EP  - 123
VL  - 134
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TRSPY_1975_134_a8/
LA  - ru
ID  - TRSPY_1975_134_a8
ER  -