@article{MAN_1979__240_163236,
     author = {Jaroslav Mach},
     title = {Best {Simultaneous} {Approximation} of {Bounded} {Functions} with {Values} in {Certain} {Banach} {Spaces.}},
     journal = {Mathematische Annalen},
     pages = {157--164},
     publisher = {mathdoc},
     volume = {240},
     year = {1979},
     zbl = {0388.41014},
     url = {http://geodesic.mathdoc.fr/item/MAN_1979__240_163236/}
}