TY  - JOUR
AU  - A. M. Sedletskii
TI  - Approximation properties of systems of exponentials in Sobolev spaces
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1999
SP  - 3
EP  - 8
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1999_6_a0/
LA  - ru
ID  - VMUMM_1999_6_a0
ER  -