TY  - JOUR
AU  - A. P. Bulanov
TI  - Asymptotic behavior of the least deviations of the function $\operatorname{sgn}x$ from rational functions
JO  - Sbornik. Mathematics
PY  - 1975
SP  - 159
EP  - 176
VL  - 25
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1975_25_2_a0/
LA  - en
ID  - SM_1975_25_2_a0
ER  -