@article{10_4064_fm_81_1_57_64, author = {Thomas Jech}, title = {Properties of the gimel function and a classification of singular cardinals}, journal = {Fundamenta Mathematicae}, pages = {57--64}, publisher = {mathdoc}, volume = {81}, number = {1}, year = {1973}, doi = {10.4064/fm-81-1-57-64}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-81-1-57-64/} }