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Documents associated with Blagovest Sendov Letter with attachment, B. Sendov->A.P. Ershov, 04.03.1985 Official invitation to participate in seminar "Problems of Informatics and its Application in Management, Teaching and Researches". Call form for participation is attached.
Order, 28.03.1985by way of amendment of Order #44 of March 13, 1985
Telegram, A.P. Ershov->B. Sendov, 16.02.1984Letter, notification, B. Sendov->A.P. Ershov, 20.08.1984 Telegram, B. Sendov->A.P. Ershov, 16.11.1984 Invitation, B. Sendov->A.P. Ershov, 30.09.1981 Telegram, B. Sendov->A.P. Ershov, 26.04.1985 The author invites to participate in UNESCO IFIP Work Conference "Use of Computers in Elementary Education" (3-4 May, Varna). The addressee's expences will be covered by organizers.
Item 9. (Name does not exist in this language.)Item 10. (Name does not exist in this language.) Telegram, A.P. Ershov->A. O. Buda, 29.04.1985 Letter (hand-written), A. O. Buda ->A.P. Ershov, 21.01.1975 Telegram, A.P. Ershov->A. O. Buda, 29.04.1985(?) about cancellation of his trip to Bulgaria because of the urgent hospitalization. /Hand-written text./
Letter, A.P. Ershov->B. Sendov, 29.04.1985acknowledging the receipt of the invitation to the Seminar and informing that he can not come because of the need for urgent medical treatment. /Hand-written text./
Minutes, 23.05.1973-25.05.1973Direction, 19.02.1985 Article Letter (hand-written), S. Kh. Buchvarov->A.P. Ershov, 17.02.1974 Information letter, 11.01.1988 Article (in Russian), 01.01.1992-30.04.1992 "The Book of his Life" (dedicated to A. Ershov), "Nauka v Rossii", ¹ 1-2, Jan.-Apr. 1992
Article (in English), 01.03.1992-30.06.1992"The Book of his Life" (dedicated to A. Ershov), "Science in Russia", ¹ 2-3, March-June 1992
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