@article{DM_2017_29_1_a8,
     author = {A. V. Cheremushkin},
     title = {Estimating the level of affinity of a quadratic form},
     journal = {Diskretnaya Matematika},
     pages = {114--125},
     publisher = {mathdoc},
     volume = {29},
     number = {1},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_2017_29_1_a8/}
}