Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MOMA_1976__81_177764, author = {Wolfgang Wertz}, title = {Invariant {Density} {Estimation.}}, journal = {Monatshefte f\"ur Mathematik}, pages = {315--324}, publisher = {mathdoc}, volume = {81}, year = {1976}, zbl = {0361.62030}, url = {http://geodesic.mathdoc.fr/item/MOMA_1976__81_177764/} }
Wolfgang Wertz. Invariant Density Estimation.. Monatshefte für Mathematik, Tome 81 (1976), pp. 315-324. http://geodesic.mathdoc.fr/item/MOMA_1976__81_177764/