@article{IM2_1978_12_3_a5,
     author = {B. \`E. Kunyavskii},
     title = {On tori with a~biquadratic splitting field},
     journal = {Izvestiya. Mathematics},
     pages = {536--542},
     year = {1978},
     volume = {12},
     number = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1978_12_3_a5/}
}