@article{RSM_2001__59_4_116629,
     author = {Canarutto, D.},
     title = {Generalized densities and distributional adjoints of natural operators.},
     journal = {Rendiconti del seminario matematico},
     pages = {243--252},
     publisher = {mathdoc},
     volume = {59},
     number = {4},
     year = {2001},
     zbl = {1178.46034},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RSM_2001__59_4_116629/}
}