@article{RM_1969_24_4_a22,
     author = {I. M. Vlasov and V. M. Vlasova},
     title = {Twenty-Seventh {Scientific} {Conference} of {Mathematical} {Departments} of {Pedagogical} {Institutes} of {Ural} {Zone}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     publisher = {mathdoc},
     volume = {24},
     number = {4},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1969_24_4_a22/}
}