@article{SM_1974_22_3_a2,
     author = {V. I. Yanchevskii},
     title = {Simple algebras with involution, and unitary groups},
     journal = {Sbornik. Mathematics},
     pages = {372--385},
     year = {1974},
     volume = {22},
     number = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1974_22_3_a2/}
}