@article{10_4064_fm_77_3_257_269,
     author = {Jussi Ketonen},
     title = {Ultrafilters over measurable cardinals},
     journal = {Fundamenta Mathematicae},
     pages = {257--269},
     publisher = {mathdoc},
     volume = {77},
     number = {3},
     year = {1972},
     doi = {10.4064/fm-77-3-257-269},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-77-3-257-269/}
}