%0 Journal Article %A J. L. Walsh %T On Approximation to an Analytic Function by Rational Functions of Best Approximation. %J Mathematische Zeitschrift %D 1934 %P 163-176 %V 38 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1934__38_168494/ %F MZ_1934__38_168494