@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/