TY  - JOUR
AU  - A. M. Sedletskii
TI  - Mean periodic extension of continuous functions with preservation of smoothness
JO  - Doklady Akademii Nauk
PY  - 1973
SP  - 302
EP  - 304
VL  - 212
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1973_212_2_a8/
LA  - ru
ID  - DAN_1973_212_2_a8
ER  -