@article{AM2_1995__49_1-2_182486,
     author = {Henrik Stetkaer},
     title = {Wilson's functional equations on groups.},
     journal = {Aequationes mathematicae},
     pages = {252--275},
     publisher = {mathdoc},
     volume = {49},
     number = {1-2},
     year = {1995},
     zbl = {0830.39016},
     url = {http://geodesic.mathdoc.fr/item/AM2_1995__49_1-2_182486/}
}