@article{GDZPPN002222965,
title = {Charakterisierung der additiven, fast-geraden Funktionen.},
journal = {Manuscripta mathematica},
volume = {31},
year = {1980},
pages = {213-230},
zbl = {0446.10041},
url = {http://dml.mathdoc.fr/item/GDZPPN002222965}
}
Hildebrand, A.; Spilker, J. Charakterisierung der additiven, fast-geraden Funktionen.. Manuscripta mathematica, Tome 31 (1980) pp. 213-230. http://gdmltest.u-ga.fr/item/GDZPPN002222965/