@article{ZNSL_1980_100_a3,
     author = {V. G. Zhuravlev},
     title = {Hecke operators of the symplectic group of degree two over a~real field},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {48--58},
     publisher = {mathdoc},
     volume = {100},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1980_100_a3/}
}