@article{GDZPPN002028042,
title = {On the Number of Best Approximations in Certain Non-Linear Families of Functions. (Short Communication).},
journal = {Aequationes mathematicae},
volume = {10},
year = {1974},
pages = {118-119},
zbl = {0252.41026},
url = {http://dml.mathdoc.fr/item/GDZPPN002028042}
}
Braess, Dietrich. On the Number of Best Approximations in Certain Non-Linear Families of Functions. (Short Communication).. Aequationes mathematicae, Tome 10 (1974) pp. 118-119. http://gdmltest.u-ga.fr/item/GDZPPN002028042/