@misc{KUTGS_1971_6_a0,
     title = {Information on sessions of {Geometrical} {Seminar} of {Kazan} {University} (1969)},
     journal = {Trudy Geometricheskogo Seminara},
     pages = {3--4},
     publisher = {mathdoc},
     volume = {6},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUTGS_1971_6_a0/}
}