TY  - JOUR
AU  - V. A. Yudin
TI  - Two external problems for trigonometric polynomials
JO  - Sbornik. Mathematics
PY  - 1996
SP  - 1721
EP  - 1736
VL  - 187
IS  - 11
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1996_187_11_a5/
LA  - en
ID  - SM_1996_187_11_a5
ER  -