Documents associated with Unknown addressee

Telegram, A.P. Ershov->Unknown addressee, 05.10.1973
Letter (hand-written), A.P. Ershov->Unknown addressee, 04.06.1962
Letter, A.P. Ershov->Unknown addressee, 20.06.1976(?)
Letter, A.P. Ershov->Unknown addressee, 21.02.1983
Letter (hand-written), A.P. Ershov->Unknown addressee, 09.11.1981
Telegram and Review, A.P. Ershov->Unknown addressee, 03.12.1973
Letter, A.P. Ershov->Unknown addressee, 13.08.1986
Request to express an opinion about an advisability to publish notes by M.S. Burchin "Arithmetical hierarchy and induction of Turing machine".
Telegram, A.P. Ershov->Unknown addressee, 07.12.1973
Telegram, A.P. Ershov->Unknown addressee, 10.12.1973
Telegram, A.P. Ershov->Unknown addressee, 19.09.1974
Telegram, A.P. Ershov->Unknown addressee, 25.10.1974
Letter, A.P. Ershov->Unknown addressee, 13.06.1977
Letter, E. N. Ilyina->Unknown addressee, 11.06.1978
Item 57. (Name does not exist in this language.)
Covering letter, A.P. Ershov->Unknown addressee, 18.08.1986
to the work presented to the Reports of Academy of Sciences.
Letter, A.P. Ershov->Unknown addressee, 12.06.1978
Letter, A.P. Ershov->Unknown addressee, 07.07.1977
Letter, A.P. Ershov->Unknown addressee, 27.08.1986
Request to send two invitations for colleagues of CC SB RAS to the school "ÀÝÍÈ-86".
Letter, A.P. Ershov->Unknown addressee, 28.02.1987
Thanks for the photos and presents
Letter, A. S. Alekseev->Unknown addressee..., 05.08.1976

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