| Theses, 19.12.1966 of Ershov's talk at the SMS session "Problems of theoretical programming"
Notification, 28.04.1972
Notification, 24.07.1972
Notification, 11.11.1972
Notification, 15.10.1973
Invitation, 18.03.1972
Notification, 22.11.1973
Notification, 08.04.1974
Notification, 10.06.1974
Notification, 11.10.1974
Notification, 31.03.1975
Notification, 18.09.1975
Notification, 28.10.1979
Notification, 08.06.1981
Lists, 08.06.1981
Letter, S. L. Sobolev->A.P. Ershov, 19.06.1981
Notification, 10.03.1981(?)
Notification, V. K. Kharchenko->A.P. Ershov, 12.10.1981
Notification, 30.11.1981
Notification, 30.01.1982
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