@article{IM2_1969_3_3_a1,
     author = {A. N. Andrianov},
     title = {Rationality theorems for {Hecke} series and zeta functions of the groups $GL_n$ and $Sp_n$ over local fields},
     journal = {Izvestiya. Mathematics },
     pages = {439--476},
     publisher = {mathdoc},
     volume = {3},
     number = {3},
     year = {1969},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1969_3_3_a1/}
}