@article{GDZPPN002042460,
title = {Functional equations on abelian groups with involution.},
journal = {Aequationes mathematicae},
volume = {53},
year = {1997},
pages = {144-172},
zbl = {0899.39007},
url = {http://dml.mathdoc.fr/item/GDZPPN002042460}
}
Stetkaer, H. Functional equations on abelian groups with involution.. Aequationes mathematicae, Tome 53 (1997) pp. 144-172. http://gdmltest.u-ga.fr/item/GDZPPN002042460/