TY  - JOUR
AU  - V. P. Motornyi
TI  - Some extremal problems of theory of quadrature and approximation of functions
JO  - Matematičeskie zametki
PY  - 1976
SP  - 299
EP  - 311
VL  - 19
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1976_19_2_a14/
LA  - ru
ID  - MZM_1976_19_2_a14
ER  -