%0 Journal Article %A A. Selberg %T Recent developments in the theory of discontinuous groups of motions of symmetric spaces %J Matematika %D 1972 %P 72-89 %V 16 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAT_1972_16_4_a2/ %G ru %F MAT_1972_16_4_a2