%0 Journal Article %A S. Heinrich %T Ultraproducts of $L_1$-predual spaces %J Fundamenta Mathematicae %D 1981 %P 221-234 %V 113 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-113-3-221-234/ %R 10.4064/fm-113-3-221-234 %G en %F 10_4064_fm_113_3_221_234