TY  - JOUR
AU  - V. P. Motornyi
TI  - On the best quadrature formula of the form $\sum_{k=1}^np_kf(x_k)$ for some classes of differentiable periodic functions
JO  - Izvestiya. Mathematics 
PY  - 1974
SP  - 591
EP  - 620
VL  - 8
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_1974_8_3_a8/
LA  - en
ID  - IM2_1974_8_3_a8
ER  -