Coupon, N. V. Shkut->A.P. Ershov, 25.07.1963
Coupon, 20.09.1963
Covering letter, G. P. Gavronskaya->A.P. Ershov, 15.03.1963
Covering letter, V. N. Afanasiev->A.P. Ershov, 05.10.1963
Covering letter, G. Potapov->A.P. Ershov, 02.11.1963
Covering letter, L. S. Kozachkov->A.P. Ershov, 29.11.1963
Covering note, 24.01.1963
Design documents, 05.11.1963
Extract from the minutes, 18.10.1963
Extract from the minutes, 18.10.1963
Government message, N. M. Sisakyan->A.P. Ershov, 16.12.1963
Information letter, 24.01.1963
Letter, G. M. Chudnovskaia->A.P. Ershov, 08.01.1963
Letter, 08.03.1964-10.05.1964The account of the author's point of view on the means facilitating the use of computer
Letter, V. B. Orlov->A.P. Ershov, 18.02.1963
Letter, 03.04.1963
Letter, I. V. Klokachev ->A.P. Ershov, 06.04.1963
Letter, Organizing Committee->A.P. Ershov, 15.06.1963
Letter, E. L. Yuschenko->A.P. Ershov, 13.06.1963
Letter, A. S. Narin'yany ->A.P. Ershov, 21.06.1963
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