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Documents associated with Yakov Z. Tsypkin Letter, Ya.Z. Tsypkin->A.P. Ershov, 27.12.1974 Thanks for the greetings; hopes for a meeting
Letter, Ya.Z. Tsypkin->A.P. Ershov, 05.07.1979Letter, A.P. Ershov->B. V. Biryukov, 05.08.1986 The author lets know of some information about an international symposium on Mechanization of Thinking Processes taken place in England at the end of 1958.
Postcard, Ya.Z. Tsypkin->A.P. Ershov, 02.02.1985Congratulations to the new Academician and NY greetings
Telegram, A.P. Ershov->Ya.Z. Tsypkin, 08.12.1974Initial order | In alphabetical order | By date Back |
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