TY  - JOUR
AU  - R. A. Raitsin
TI  - On the best mean-square approximation, by polynomials and entire functions of exponential type, to functions with a~logarithmic singular point
JO  - Informatics and Automation
PY  - 1987
SP  - 185
EP  - 186
VL  - 180
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TRSPY_1987_180_a111/
LA  - ru
ID  - TRSPY_1987_180_a111
ER  -