@article{GDZPPN002031760,
title = {On the existence and uniqueness of integrable solutions of functional equations in Banach space.},
journal = {Aequationes mathematicae},
volume = {19},
year = {1979},
pages = {53-65},
zbl = {0426.45017},
url = {http://dml.mathdoc.fr/item/GDZPPN002031760}
}
Kwapisz, M.; Turo, J. On the existence and uniqueness of integrable solutions of functional equations in Banach space.. Aequationes mathematicae, Tome 19 (1979) pp. 53-65. http://gdmltest.u-ga.fr/item/GDZPPN002031760/