Item 3. (Name does not exist in this language.)
Item 9. (Name does not exist in this language.)
Item 13. (Name does not exist in this language.)
Letter, A.P. Ershov->Ya. M. Barzdin, 01.02.1984in reply to the invitation to read a lecture; promise to inform of the decision in the end of February
Letter, Ya. M. Barzdin->A.P. Ershov, 13.02.1984expressing satisfaction with Ershov's consent to take part in the lectures cycle; readiness to adjust the program taking in consideration Ershov's schedule
Item 10. (Name does not exist in this language.)
Item 1. (Name does not exist in this language.)
Item 2. (Name does not exist in this language.)
Item 5. (Name does not exist in this language.)
Item 8. (Name does not exist in this language.)
Item 6. (Name does not exist in this language.)
Item 4. (Name does not exist in this language.)
Item 7. (Name does not exist in this language.)
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