TY  - JOUR
AU  - Yu. K. Dem'yanovich
TI  - On the evaluation of truncation error of the projection methods in the problem of best approximation
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 1980
SP  - 5
EP  - 18
VL  - 102
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_1980_102_a0/
LA  - ru
ID  - ZNSL_1980_102_a0
ER  -