| Program, 19.10.1966 of A.P.Ershov's visit to the USA by invitation of Stanford University
Directives, 19.10.1966to A.Ershov in regard of his visit to the USA as an invited lecturer at Stanford University
Justification, 19.10.1966of A.P.Ershov's visit to the USA by invitation of Stanford University
Letter, G. I. Marchuk->M. A. Lavrentiev, 19.10.1966requesting to consider the matter of A.P.Ershov's visit to the USA by invitation of Stanford University
Letter, G. I. Marchuk->S. G. Korneev, 20.01.1967requesting to consider the enclosed information while making a decision on Ershov's prospective visit to the USA
Letter, G. I. Marchuk->S. G. Korneev, 31.03.1967suggesting to make changes to the dates and duration of Ershov's visit to the USA
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