@article{AM2_1974__11_136439,
     author = {Charles B. Dunham},
     title = {Best {Discrete} {Mean} {Rational} {Approximation.}},
     journal = {Aequationes mathematicae},
     pages = {107--110},
     publisher = {mathdoc},
     volume = {11},
     year = {1974},
     zbl = {0291.41017},
     url = {http://geodesic.mathdoc.fr/item/AM2_1974__11_136439/}
}