@article{01127583,
title = {Extensions of best approximation and coincidence theorems.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {20},
year = {1997},
pages = {689-698},
doi = {10.1155/S016117129700094X},
zbl = {0903.41020},
language = {en},
url = {http://dml.mathdoc.fr/item/01127583}
}
Park, Sehie. Extensions of best approximation and coincidence theorems.. International Journal of Mathematics and Mathematical Sciences, Tome 20 (1997) pp. 689-698. doi : 10.1155/S016117129700094X. http://gdmltest.u-ga.fr/item/01127583/