TY  - JOUR
AU  - P. L. Ivankov
TI  - On the approximation of values of some functions
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1994
SP  - 12
EP  - 15
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1994_4_a3/
LA  - ru
ID  - VMUMM_1994_4_a3
ER  -