@misc{IM2_1976_10_3_a0,
     title = {The twenty-fifth congress of the {Communist} {Party} of the {Soviet} {Union}},
     journal = {Izvestiya. Mathematics },
     pages = {451--452},
     publisher = {mathdoc},
     volume = {10},
     number = {3},
     year = {1976},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1976_10_3_a0/}
}