Telegram, A.P. Ershov->M. M. Zlatkovsky, 16.06.1981
Telegram, A.P. Ershov->N. N. Nepeivoda, 16.06.1981
Telegram, A.P. Ershov->G. S. Tseitin, 17.06.1981
Telegram, I.V. Pottosin->A.P. Ershov, 26.06.1981
Letter (hand-written), A.P. Ershov->R. V. Tamkvelidze, 21.07.1981confirming the interest in preparation of a series of reviews dedicated to contemporary mathematics
Letter (hand-written), A.P. Ershov->A. A. Dorodnitsyn, 06.08.1981Account of the visit to Lausanne, the presentation, and the problems of participation of Soviet representatives in international conventions from the point of view of foreign colleagues
Letter, A.P. Ershov->L. N. Vazhenina, 07.08.1981
Letter, A.P. Ershov->G. P. Yegorychev, 26.08.1981
Letter (hand-written), A.P. Ershov->Budykho, 24.08.1981
Letter (hand-written), A.P. Ershov->Yu. Bezborodov, 19.08.1981
Letter (hand-written), A.P. Ershov->E. Z. Lyubimsky, 20.11.1981
Letter (hand-written), A.P. Ershov->B. A. Saveliev, 19.08.1981
Letter (hand-written), A.P. Ershov->D. S. Likhachev, 10.11.1981Prior to his trip to Leningrad, Ershov asks for a meeting, states the problems he wants to discuss, and explains why the opinion of D.S. Likhachev is so important to him
Rough copy of congratulation, A.P. Ershov->A. A. Trofimuk, 11.08.1981
Letter (hand-written), A.P. Ershov->Unknown addressee, 09.11.1981
Telegram, A.P. Ershov->Yu. V. Matiyasevich, 25.05.1981Request for the home address for processing the Symposium files
Telegram, A.P. Ershov->A. V. Anisimov, 25.05.1981request for written confirmation of authorization of the paper's publication in Russian and in English
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