@article{GDZPPN002549921,
title = {An initial value problem for a functiona equation.},
journal = {Aequationes mathematicae},
volume = {20},
year = {1980},
pages = {90-96},
zbl = {0428.39004},
url = {http://dml.mathdoc.fr/item/GDZPPN002549921}
}
Bedingfield, Neil Kenneth. An initial value problem for a functiona equation.. Aequationes mathematicae, Tome 20 (1980) pp. 90-96. http://gdmltest.u-ga.fr/item/GDZPPN002549921/