@article{ZNSL_1987_160_a3,
     author = {A. I. Vinogradov},
     title = {Poincare series in $SL(3,\mathbb{R})$},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {37--40},
     publisher = {mathdoc},
     volume = {160},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1987_160_a3/}
}