TY - JOUR AU - P. Kannappan AU - C. T. Ng TI - A functional equation and its application to information theory JO - Annales Polonici Mathematici PY - 1974 SP - 105 EP - 112 VL - 30 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-30-1-105-112/ DO - 10.4064/ap-30-1-105-112 LA - en ID - 10_4064_ap_30_1_105_112 ER -