TY - JOUR AU - Zapletal, Jindřich TI - Separating equivalence classes JO - Commentationes Mathematicae Universitatis Carolinae PY - 2018 SP - 531 EP - 540 VL - 59 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.14712/1213-7243.2015.267/ DO - 10.14712/1213-7243.2015.267 LA - en ID - 10_14712_1213_7243_2015_267 ER -