@article{VSGU_2009_6_a5,
     author = {Yu. Yu. Krutikov},
     title = {Birational invariants for the torus without affect in a~group of $F_4$ type},
     journal = {Vestnik Samarskogo universiteta. Estestvennonau\v{c}na\^a seri\^a},
     pages = {57--68},
     publisher = {mathdoc},
     number = {6},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGU_2009_6_a5/}
}