@article{1102911776,
author = {Bartelt, M. W.},
title = {Strongly unique best approximates to a function on a set, and a finite subset thereof.},
journal = {Pacific J. Math.},
volume = {55},
number = {2},
year = {1974},
pages = { 1-9},
language = {en},
url = {http://dml.mathdoc.fr/item/1102911776}
}
Bartelt, M. W. Strongly unique best approximates to a function on a set, and a finite subset thereof.. Pacific J. Math., Tome 55 (1974) no. 2, pp. 1-9. http://gdmltest.u-ga.fr/item/1102911776/