@article{TM_1994_207_a9,
     author = {V. G. Zhuravlev},
     title = {Spherical theta-series and {Hecke} operators},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {93--122},
     year = {1994},
     volume = {207},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1994_207_a9/}
}