TY  - JOUR
AU  - M. A. Chahkiev
TI  - Linear differential operators and optimal quadrature formulas
JO  - Doklady Akademii Nauk
PY  - 1983
SP  - 60
EP  - 65
VL  - 273
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1983_273_1_a13/
LA  - ru
ID  - DAN_1983_273_1_a13
ER  -