TY - JOUR AU - Mariusz LemaƄczyk TI - Factors of coalescent automorphisms JO - Studia Mathematica PY - 1988 SP - 159 EP - 168 VL - 89 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-89-2-159-168/ DO - 10.4064/sm-89-2-159-168 LA - en ID - 10_4064_sm_89_2_159_168 ER -