@article{1183535804,
author = {Kahane, J.-P.},
title = {Best approximation in $L^1 \left( T \right)$},
journal = {Bull. Amer. Math. Soc.},
volume = {80},
number = {4},
year = {1974},
pages = { 788-804},
language = {en},
url = {http://dml.mathdoc.fr/item/1183535804}
}
Kahane, J.-P. Best approximation in $L^1 \left( T \right)$. Bull. Amer. Math. Soc., Tome 80 (1974) no. 4, pp. 788-804. http://gdmltest.u-ga.fr/item/1183535804/