%0 Journal Article %A Saharon Shelah %T σ-Entangled linear orders and narrowness of products of Boolean algebras %J Fundamenta Mathematicae %D 1997 %P 199-275 %V 153 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-153-3-199-275/ %R 10.4064/fm-153-3-199-275 %G en %F 10_4064_fm_153_3_199_275