TY  - JOUR
AU  - N. S. Vyacheslavov
TI  - On the least deviations of the function $\operatorname{sign}x$ and its primitives from the rational functions in the $L_p$~metrics, $0
JO  - Sbornik. Mathematics
PY  - 1977
SP  - 19
EP  - 31
VL  - 32
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1977_32_1_a1/
LA  - en
ID  - SM_1977_32_1_a1
ER  -