%0 Journal Article %A Thomas Jech %T Properties of the gimel function and a classification of singular cardinals %J Fundamenta Mathematicae %D 1973 %P 57-64 %V 81 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-81-1-57-64/ %R 10.4064/fm-81-1-57-64 %G en %F 10_4064_fm_81_1_57_64