@article{AA_1993_5_1_a1,
     author = {A. N. Andrianov},
     title = {Multiplicative decompositions of integral representations of binary quadratic forms},
     journal = {Algebra i analiz},
     pages = {81--108},
     publisher = {mathdoc},
     volume = {5},
     number = {1},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_1993_5_1_a1/}
}