TY  - JOUR
AU  - N. I. Derevyanko
TI  - Approximation of the values of some functions
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1989
SP  - 45
EP  - 49
IS  - 1
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1989_1_a9/
LA  - ru
ID  - VMUMM_1989_1_a9
ER  -