TY - JOUR AU - Eszter Gselmann TI - Stability type results concerning the fundamental equation of information of multiplicative type JO - Colloquium Mathematicum PY - 2009 SP - 33 EP - 40 VL - 114 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm114-1-4/ DO - 10.4064/cm114-1-4 LA - en ID - 10_4064_cm114_1_4 ER -