@article{GDZPPN001169254,
title = {On Approximation by Sums of Chebyshev Norms.},
journal = {Numerische Mathematik},
volume = {15},
year = {1970},
pages = {243-247},
zbl = {0222.65013},
url = {http://dml.mathdoc.fr/item/GDZPPN001169254}
}
BACOPOULOS, A. On Approximation by Sums of Chebyshev Norms.. Numerische Mathematik, Tome 15 (1970) pp. 243-247. http://gdmltest.u-ga.fr/item/GDZPPN001169254/