Letter (hand-written), Unknown Author->A.P. Ershov, 11.11.1979
Covering Note, N. Chuhrukidze->A.P. Ershov, 29.10.1979
Letter with attachment, E. B. Karasik->A.P. Ershov, 23.12.1979
Telegram, Organizing Committee->A.P. Ershov, 23.11.1979
Letter (hand-written), V. S. Shtarkman->A.P. Ershov, 02.12.1979
Post card, N. V. Uspenskaya->A.P. Ershov, 06.11.1979
Letter, D. N. Todoroi->A.P. Ershov, 02.12.1979
Covering letter (hand-written), Ya. M. Barzdin->A.P. Ershov, 11.12.1979
Letter, V. S. Semenov->A.P. Ershov, 12.12.1979
Letter (hand-written), V. I. Kuptsov->A.P. Ershov, 17.12.1979
Covering letter (hand-written), Unknown Author->A.P. Ershov, 18.12.1979
Information letter, V. P. Pyatkin->A.P. Ershov, 01.01.1979(?)Schedule of deparent heads appearances at the NB IPMCE scientific council with work reports for 1978
Item 73. (Name does not exist in this language.)
Letter, 25.07.1979
Letter, V. M. Andryuschenko->A.P. Ershov, 09.11.1979
Letter, Unknown Author->A.P. Ershov, 02.03.1979
Letter, G. I. Popova->A.P. Ershov, 15.06.1979
Letter, V.N. Karpovich->A.P. Ershov, 15.10.1979
Letter, N. V. Uspenskaya->A.P. Ershov, 31.08.1979
Telegram, F. V. Shirokov->A.P. Ershov, 05.12.1979
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