%0 Journal Article %A E.W. Cheney %A A.A. Goldstein %T Mean-Square Approximation by Generalized Rational Functions. %J Mathematische Zeitschrift %D 1967 %P 232-241 %V 95 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1967__95_170650/ %F MZ_1967__95_170650