TY  - JOUR
AU  - B. I. Golubov
TI  - Best approximations of functions in the $L_p$ metric by Haar and Walsh polynomials
JO  - Sbornik. Mathematics
PY  - 1972
SP  - 265
EP  - 285
VL  - 16
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1972_16_2_a8/
LA  - en
ID  - SM_1972_16_2_a8
ER  -