@misc{KUTGS_1984_16_a0,
     title = {Information on sessions of {Geometrical} {Seminar} of {Kazan} {University} (1981,},
     journal = {Trudy Geometricheskogo Seminara},
     pages = {3--8},
     year = {1984},
     volume = {16},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUTGS_1984_16_a0/}
}