@article{DAN_1963_153_3_a3,
     author = {I. M. Gel'fand and M. I. Graev},
     title = {The structure of the ring of finite functions on the group of second-order unimodular matrices with elements belonging to a disconnected locally compact field},
     journal = {Doklady Akademii Nauk},
     pages = {512--515},
     publisher = {mathdoc},
     volume = {153},
     number = {3},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_153_3_a3/}
}