@article{VMJ_2015_17_2_a8,
     author = {U. M. Pachev},
     title = {About the number of primitive non-associated second order matrices of determinant~$n$ divisible by a~given matrix},
     journal = {Vladikavkazskij matemati\v{c}eskij \v{z}urnal},
     pages = {62--67},
     year = {2015},
     volume = {17},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMJ_2015_17_2_a8/}
}