@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/