@article{GDZPPN002551004, title = {Wilson's functional equations on groups.}, journal = {Aequationes mathematicae}, volume = {49}, year = {1995}, pages = {252-275}, zbl = {0830.39016}, url = {http://dml.mathdoc.fr/item/GDZPPN002551004} }
Stetkaer, Henrik. Wilson's functional equations on groups.. Aequationes mathematicae, Tome 49 (1995) pp. 252-275. http://gdmltest.u-ga.fr/item/GDZPPN002551004/