%0 Journal Article %A William Powell %T Variations of Keisler's theorem for complete embeddings %J Fundamenta Mathematicae %D 1973 %P 121-132 %V 81 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-81-2-121-132/ %R 10.4064/fm-81-2-121-132 %G en %F 10_4064_fm_81_2_121_132