@article{MMO_1959_8_a9,
     author = {I. M. Gel'fand and M. I. Graev},
     title = {Geometry of homogeneous spaces, representations of groups in homogeneous spaces and related questions of integral {geometry.~I}},
     journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva},
     pages = {321--390},
     publisher = {mathdoc},
     volume = {8},
     year = {1959},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MMO_1959_8_a9/}
}