TY  - JOUR
AU  - O. L. Vinogradov
TI  - Sharp inequalities for the second modulus of continuity of periodic functions and of functions extended from the segment
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 1996
SP  - 33
EP  - 49
VL  - 232
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_1996_232_a2/
LA  - ru
ID  - ZNSL_1996_232_a2
ER  -