%0 Journal Article %A F.A. Behrend %T A Contribution to the Theory of Magnitudes and the Foundations of Analysis. %J Mathematische Zeitschrift %D 1955 %P 345-362 %V 63 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1955__63_169537/ %F MZ_1955__63_169537