%0 Journal Article %A Gustav Hensel %A Hilary Putnam %T Normal models and the field $Σ*_1$ %J Fundamenta Mathematicae %D 1969 %P 231-240 %V 64 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-64-2-231-240/ %R 10.4064/fm-64-2-231-240 %G en %F 10_4064_fm_64_2_231_240