@article{MAN_1993__296_4_165093,
     author = {Paul Ressel},
     title = {Bochner's theorem for finite-dimensional conelike semigroups.},
     journal = {Mathematische Annalen},
     pages = {431--440},
     publisher = {mathdoc},
     volume = {296},
     number = {4},
     year = {1993},
     zbl = {0790.43008},
     url = {http://geodesic.mathdoc.fr/item/MAN_1993__296_4_165093/}
}