TY - JOUR AU - Jacek ChmieliƄski TI - A comparison of some conditional functional equations JO - Commentationes Mathematicae PY - 2005 SP - 137 EP - 144 VL - 45 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.14708/cm.v45i2.5194/ DO - 10.14708/cm.v45i2.5194 LA - pl ID - 10_14708_cm_v45i2_5194 ER -