TY  - JOUR
AU  - R. M. Trigub
TI  - On the comparison principle for Fourier expansions and existence subspaces in the integral metric
JO  - Informatics and Automation
PY  - 1987
SP  - 219
EP  - 220
VL  - 180
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TRSPY_1987_180_a134/
LA  - ru
ID  - TRSPY_1987_180_a134
ER  -