@article{AA_1993_5_5_a0,
     author = {A. N. Andrianov},
     title = {Automorphic factorizations of solutions of quadratic congruences and their applications},
     journal = {Algebra i analiz},
     pages = {1--46},
     publisher = {mathdoc},
     volume = {5},
     number = {5},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_1993_5_5_a0/}
}