@article{GDZPPN002226979,
title = {On a Functional Equation Arising in Information Theory.},
journal = {Manuscripta mathematica},
volume = {55},
year = {1986},
pages = {439-452},
zbl = {0588.39006},
url = {http://dml.mathdoc.fr/item/GDZPPN002226979}
}
Sander, Wolfgang. On a Functional Equation Arising in Information Theory.. Manuscripta mathematica, Tome 55 (1986) pp. 439-452. http://gdmltest.u-ga.fr/item/GDZPPN002226979/