TY - JOUR AU - Solarz, Pawel TI - On some properties of orientation-preserving surjections on the circle JO - Mathematica slovaca PY - 2007 SP - 547 EP - 560 VL - 57 IS - 6 UR - http://geodesic.mathdoc.fr/item/MASLO_2007_57_6_a3/ LA - en ID - MASLO_2007_57_6_a3 ER -