%0 Journal Article %A Ralph McKenzie %T Cardinal multiplication of structures with a reflexive relation %J Fundamenta Mathematicae %D 1971 %P 59-101 %V 70 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-70-1-59-101/ %R 10.4064/fm-70-1-59-101 %G en %F 10_4064_fm_70_1_59_101