TY  - JOUR
AU  - B. S. Tsirel'son
TI  - On the sum of periodic functions and an extension operator continuous in measure
JO  - Doklady Akademii Nauk
PY  - 1974
SP  - 1001
EP  - 1003
VL  - 216
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1974_216_5_a11/
LA  - ru
ID  - DAN_1974_216_5_a11
ER  -