@article{IM_1987__88_143444,
     author = {J.-F. Boutot},
     title = {Singularites rationnelles et quotients par les groupes reductifs.},
     journal = {Inventiones mathematicae},
     pages = {65--68},
     publisher = {mathdoc},
     volume = {88},
     year = {1987},
     zbl = {0619.14029},
     url = {http://geodesic.mathdoc.fr/item/IM_1987__88_143444/}
}