%0 Journal Article %A R. Creighton Buck %T On admissibility of sequences and a theorem of Pólya. %J Commentarii mathematici Helvetici %D 1953 %P 75-80 %V 27 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1953__27_139055/ %F CMH_1953__27_139055