@article{RM_1960_15_6_a21,
     author = {Ya. I. Rivkind},
     title = {Letter to the editors of {``Uspekhi} {Mathematicheskikh} {Nauk''}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     publisher = {mathdoc},
     volume = {15},
     number = {6},
     year = {1960},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1960_15_6_a21/}
}