TY  - JOUR
AU  - S. V. Bochkarev
TI  - A Generalization of Kolmogorov's Theorem to Biorthogonal Systems
JO  - Informatics and Automation
PY  - 2008
SP  - 44
EP  - 56
VL  - 260
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TRSPY_2008_260_a3/
LA  - ru
ID  - TRSPY_2008_260_a3
ER  -