@article{MZM_2009_85_5_a2,
     author = {A. A. Bondarenko},
     title = {Birational {Composition} of {Quadratic} {Forms} over a {Local} {Field}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {661--670},
     publisher = {mathdoc},
     volume = {85},
     number = {5},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2009_85_5_a2/}
}