@article{DAN_1957_113_5_a8,
     author = {I. I. Pyatetskii-Shapiro},
     title = {Estimate of the dimension of the space of automorphic forms for certain types of discontinuous subgroups},
     journal = {Doklady Akademii Nauk},
     pages = {980--983},
     publisher = {mathdoc},
     volume = {113},
     number = {5},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_113_5_a8/}
}