@misc{RM_1968_23_4_a11,
     title = {Meetings of the {Ural} {Mathematical} {Society}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     publisher = {mathdoc},
     volume = {23},
     number = {4},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1968_23_4_a11/}
}