@article{MZM_2000_68_4_a4,
     author = {V. \'E. Kordonskii},
     title = {Essential dimension and the second {Serre} conjecture for exceptional groups},
     journal = {Matemati\v{c}eskie zametki},
     pages = {539--547},
     publisher = {mathdoc},
     volume = {68},
     number = {4},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2000_68_4_a4/}
}