@article{GDZPPN002220814,
title = {\"Uber die Funktionalgleichung f(x) = ... In den K\"orpern ... .},
journal = {Manuscripta mathematica},
volume = {22},
year = {1977},
pages = {131-142},
zbl = {0368.39001},
url = {http://dml.mathdoc.fr/item/GDZPPN002220814}
}
Herget, Wilfried. Über die Funktionalgleichung f(x) = ... In den Körpern ... .. Manuscripta mathematica, Tome 22 (1977) pp. 131-142. http://gdmltest.u-ga.fr/item/GDZPPN002220814/