@article{FAA_2000_34_4_a7,
     author = {M. I. Graev},
     title = {A {Problem} of {Integral} {Geometry} {Related} to a {Triple} of {Grassmann} {Manifolds}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {78--81},
     publisher = {mathdoc},
     volume = {34},
     number = {4},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_2000_34_4_a7/}
}