@misc{RM_1967_22_6_a7,
     title = {Meetings of the {Ural} {Mathematical} {Society}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     year = {1967},
     volume = {22},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1967_22_6_a7/}
}