TY - JOUR AU - Prem Nath, AU - Dhiraj Kumar Singh TI - On a sum form functional equation and its relevance\\ in information theory and cryptanalysis JO - Novi Sad Journal of Mathematics PY - 2013 SP - 59 EP - 71 VL - 43 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NSJOM_2013_43_1a_6/ ID - NSJOM_2013_43_1a_6 ER -