@article{00930046,
title = {An extension of a best approximation theorem.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {19},
year = {1996},
pages = {711-716},
doi = {10.1155/S016117129600097X},
zbl = {0860.47038},
language = {en},
url = {http://dml.mathdoc.fr/item/00930046}
}
Carbone, A. An extension of a best approximation theorem.. International Journal of Mathematics and Mathematical Sciences, Tome 19 (1996) pp. 711-716. doi : 10.1155/S016117129600097X. http://gdmltest.u-ga.fr/item/00930046/