@article{AA_1993_5_3_a0,
     author = {A. B. Venkov and A. M. Nikitin},
     title = {The {Selberg} trace formula, {Ramanujan} graphs and some problems in mathematical physics},
     journal = {Algebra i analiz},
     pages = {1--76},
     publisher = {mathdoc},
     volume = {5},
     number = {3},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_1993_5_3_a0/}
}