Telegram, J. W. Thatcher->A.P. Ershov, 04.01.1981
Card and Memo, E. L. Willey->A.P. Ershov, 18.01.1982
Item 3. (Name does not exist in this language.)
Letter, G. Roberts->A.P. Ershov, 17.02.1982
Post card, 01.02.1982
Letter (hand-wtitten), Tony Hoare->A.P. Ershov, 01.02.1982
Letter, J. Dirkmaat->A.P. Ershov, 04.02.1982
Letter, H. Zemanek->A.P. Ershov, 07.02.1982
Card, M. L. Juncosa->A.P. Ershov, 22.02.1982
Covering card, Unknown Author->A.P. Ershov, 24.02.1982
Covering letter, R. D. Schmidt->A.P. Ershov, 10.02.1982
Letter, W. Kaufmann-Buhler->A.P. Ershov, 18.02.1982
Letter, M. Sintzoff->A.P. Ershov, 21.04.1982The author thanks for comments on D.Gries' book and explains reasons for not publishing them in the "Science of Computer Programming" magazine.
Telegram, M, Hlavacova->A.P. Ershov, 26.04.1982
Letter, G. Roberts->A.P. Ershov, 06.05.1982
Covering letter, C. S. Holling->A.P. Ershov, 13.05.1982
Letter, M. Engelien->A.P. Ershov, 18.05.1982
Post card, D. Myers->A.P. Ershov, 14.06.1982
Letter, J. Dirkmaat->A.P. Ershov, 01.06.1982
Letter, T. Gergely->A.P. Ershov, 03.06.1982
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