%0 Journal Article %A Hugo Volger %T The Feferman-Vaught theorem revisited %J Colloquium Mathematicum %D 1976 %P 1-11 %V 36 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-36-1-1-11/ %R 10.4064/cm-36-1-1-11 %G en %F 10_4064_cm_36_1_1_11