The author regrets that Ershov cold not come to the WG session in Grenoble and hopes that he will be able to attend the next meeting in Warsaw; asks for advice concerning the dates of his prospective visit to Novosibirsk

in reply to Ershov's letter with some questions and suggestions

approving the program of lectures proposed by Ershov and looking forward to see him in Stanford next year; on the author's plans for European tour with his family and his desire to visit Novosibirsk; discussing the lecture topics that could be of interest in Novosibirsk

Detailed account of the author's work as the director of Computer Center, the new computer equipment, work with the students; regrets that Ershov could not come to Grenoble

the author tells about his letter to Academician Keldysh concerning Ershov's visit in 1967; hopes to meet in Stanford

Author regrets that A.P. Ershov had not been able to come to the Computing History Conference and still hopes for future meeting.

with expected dates of the visit

informing with regret of cancellation of the trip to Stanford University

Confirms correctness of the Tseitin's text except for one misprint in the first line

requesting to acknowledge receipt of the letter

The author thanks for the information about the translation of his book "Computers and Thought" ans asks to send a cory to his colleague from the University of California.; congratulates for successfull defence of doctoral dissertation and compliments the official opponents

Account of current affairs, family news, and orrespondence with the State Department and other officials concerning Ershov's visit to the USA