%0 Journal Article %A I. M. Gel'fand %A M. I. Graev %T 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 %J Doklady Akademii Nauk %D 1963 %P 512-515 %V 153 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_153_3_a3/ %G ru %F DAN_1963_153_3_a3