@article{10_4064_fm192_1_1,
     author = {Saharon Shelah},
     title = {The combinatorics of reasonable ultrafilters},
     journal = {Fundamenta Mathematicae},
     pages = {1--23},
     publisher = {mathdoc},
     volume = {192},
     number = {1},
     year = {2006},
     doi = {10.4064/fm192-1-1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm192-1-1/}
}