@article{MAN_1979__239_163220,
     author = {Leonhard F. Richardson},
     title = {Poisson {Summation} of {Kirillov} {Orbits.}},
     journal = {Mathematische Annalen},
     pages = {229--240},
     publisher = {mathdoc},
     volume = {239},
     year = {1979},
     zbl = {0377.43010},
     url = {http://geodesic.mathdoc.fr/item/MAN_1979__239_163220/}
}