@article{MM2_1974__12_154240,
     author = {Hans-Peter Heinz},
     title = {Distributions {Invariant} under a {Group} of {Diffeomorphisms.}},
     journal = {Manuscripta mathematica},
     pages = {249--270},
     publisher = {mathdoc},
     volume = {12},
     year = {1974},
     zbl = {0289.58001},
     url = {http://geodesic.mathdoc.fr/item/MM2_1974__12_154240/}
}