@article{JEMS_2013_15_6_a0,
     author = {Zinovy Reichstein and Angelo Vistoli},
     title = {A genericity theorem for algebraic stacks and essential dimension of hypersurfaces},
     journal = {Journal of the European Mathematical Society},
     pages = {1999--2026},
     publisher = {mathdoc},
     volume = {15},
     number = {6},
     year = {2013},
     doi = {10.4171/jems/411},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/411/}
}