@article{AM2_1973__9_136384,
     author = {CHARLES B. DUNHAM},
     title = {Best {Discrete} {Mean} {Rational} {Approximation} {(Short} {Communication)}},
     journal = {Aequationes mathematicae},
     pages = {319--319},
     publisher = {mathdoc},
     volume = {9},
     year = {1973},
     url = {http://geodesic.mathdoc.fr/item/AM2_1973__9_136384/}
}