@article{VMUMM_2000_2_a4,
     author = {V. \'E. Kordonskii},
     title = {Essential dimension and stable rationality of algebraic groups},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {18--21},
     publisher = {mathdoc},
     number = {2},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2000_2_a4/}
}