@article{FPM_2005_11_6_a11,
     author = {U. M. Pachev},
     title = {Asymptotic distribution of classes of positive binary quadratic forms with conditions of the divisibility of coefficients},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {123--130},
     publisher = {mathdoc},
     volume = {11},
     number = {6},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2005_11_6_a11/}
}