Note, Yu. A. Pervin ->V. E. Kotov, 20.01.1982 with questions to the Computing Center's deputy director from the group of school informatics
Letter, V. G. Zhitomirsky->A.P. Ershov, 17.04.1982informing of sending over a copy of the draft of experimental program
Note, Yu. A. Pervin ->A.P. Ershov, 20.04.1982about the textbooks structure
Letter, A.P. Ershov->V. N. Vragov, 22.04.1982on the necessity of position of "Kvant" correspondence school assistant
Letter, A.P. Ershov->G I. Zolotukhina, 14.05.1982in reply to the letter of 02.05.82; advice to get acquainted with materials on computerization of educational proces in NSU
Letter, A.P. Ershov->V. G. Zhitomirsky, 20.04.1982
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