@article{RCM_1985__19_181762,
     author = {Roshdi Khalil},
     title = {Best {Approximation} {In} {Vector} {Valued} {Function} {Spaces.}},
     journal = {Revista colombiana de matematicas},
     pages = {313--322},
     publisher = {mathdoc},
     volume = {19},
     year = {1985},
     zbl = {0635.41032},
     url = {http://geodesic.mathdoc.fr/item/RCM_1985__19_181762/}
}