@article{10_14712_1213_7243_2015_123,
     author = {Star\'y, Jan},
     title = {Coherent ultrafilters and nonhomogeneity},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {257--264},
     publisher = {mathdoc},
     volume = {56},
     number = {2},
     year = {2015},
     doi = {10.14712/1213-7243.2015.123},
     mrnumber = {3338738},
     zbl = {06433823},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.14712/1213-7243.2015.123/}
}