TY - JOUR AU - StarĂ½, Jan TI - Coherent ultrafilters and nonhomogeneity JO - Commentationes Mathematicae Universitatis Carolinae PY - 2015 SP - 257 EP - 264 VL - 56 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.14712/1213-7243.2015.123/ DO - 10.14712/1213-7243.2015.123 LA - en ID - 10_14712_1213_7243_2015_123 ER -