TY  - JOUR
AU  - Yu. V. Egorov
AU  - V. A. Kondratiev
TI  - On a problem of numerical differentiation
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1989
SP  - 80
EP  - 81
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1989_3_a24/
LA  - ru
ID  - VMUMM_1989_3_a24
ER  -