Report, 19.01.1985
Printout, 23.05.1985
Extract, 11.03.1985
Letter with attachment, S. A. Krylov->A.P. Ershov, 13.03.1985
Information letter, O. M. Belotserkovsky->A.P. Ershov, 05.11.1985
Letter, A.P. Ershov->D.S. Tochenyj, 19.05.1986The gratitude for an invitation to a conference received a week before a beginning of the conference. /Handwritten and typewritten variants./
Letter, D.S. Tochenyj->A.P. Ershov, 06.05.1986The addressee is invited to participate in the scientific conference "Problems of Computerization of Process of Foreign Languages Teaching at Pedagogical Institutes."
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