TY  - JOUR
AU  - V. P. Kondrat'ev
TI  - Some extremal properties of positive trigonometric polynomials
JO  - Matematičeskie zametki
PY  - 1977
SP  - 371
EP  - 374
VL  - 22
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1977_22_3_a5/
LA  - ru
ID  - MZM_1977_22_3_a5
ER  -