Ya. I. Rivkind, “Letter to the editors of “Uspekhi Mathematicheskikh Nauk””, Uspekhi Mat. Nauk, 1960, Volume 15, Issue 6(96),Page 226

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Uspekhi Mat. Nauk, 1960 Volume 15, Issue 6(96), Page 226 (Mi rm6802)

Letters to the Editor

Letter to the editors of “Uspekhi Mathematicheskikh Nauk”

Ya. I. Rivkind