| Letter, V.M. Monahov->A.P. Ershov, 21.09.1987-25.09.1987 Inviting A.P.Ershov to attend a seminar on the issues of school informatics held jointly with PRB, HPR, GDR, PRP, and RSR.
Minutes, 09.09.1987of the meeting between the SBAS Computing center and Institute of Informatics of Warsaw University on the subjects of school informatics
Minutes, 08.07.1984
Memorandum, A.P. Ershov->A. S. Alekseev, 01.11.1983On sending Yu.A. Pervin to GDR to take part in the INFO 84 conference
Invitation, B. Sendov->A.P. Ershov, 13.05.1984to the Third Workshop "Problems of Informatics and its application in management, education and scientific research", Bulgaria, June 10-16, 1984
Letter, A.P. Ershov->B. I. Penkov, 21.05.1982inviting Bulgarian authors to contribute in collected articles on PC use in school educational process.
Plan
Abstract
Letter, S. Koshulev->A.P. Ershov, 26.12.1984
Information, 19.06.1986
Working plan, 24.10.1986
Letter, notification, B. Sendov->A.P. Ershov, 20.08.1984
Letter, A. L. Petrova->V. A. Koptyug, 09.03.1985
Programme
Notations, A.P. Ershov->G. A. Zvenigorodsky, 23.08.1984
Working plan, 11.10.1985
Working plan, 20.01.1987
Working plan, 11.10.1985
Working plan, 20.01.1986
Minutes, 26.08.1987
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