@article{ZNSL_1981_112_a7,
     author = {A. M. Istamov},
     title = {Asymptotic distribution of $n$-th-order integral matrices belonging to a~given residue class},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {85--111},
     publisher = {mathdoc},
     volume = {112},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1981_112_a7/}
}