on programming at the IFIP 77 Congress. Typewritten text.

on the programming at the IFIP 77 Congress.

as to reprinting Ershov's article on the Congress in a collection printed by "Statistika" Editing House: 1)the text of the article with handwritten modifications; 2)the experts' act; 3) the letter from the Editing House rejecting the article; 4) draft letter by Ershov on this subject (unfinished).

on results of A.P.Ershov's trip to Canada.

on the trip to Canada. Both handwritten and typewritten texts.

for the article on the Congress.