A.P.Ershov is invited to attend the second meeting of the IFIP 80 Program Committee.

for the questionary forms sent to participants of the second meeting of the Program Committee.

on organizing Ershov's staying in Amsterdam.

Hotel reservation and financial support for A.P.Ershov are confirmed for five days.

A.P.Ershov confirms his arrival to the second meeting of the IFIP 80 Programming Committee and discusses financial problems of his staying in Amsterdam.

J.W. de Bakker invites A.P.Ershov to visit his department in the Mathematical Centre after the meeting of the Program Committee.

Kees Koster intends to bring A.P.Ershov into contact with his research group during the Ershov's trip to the Netherlands.

Ershov informs on the schedule of his visit to the Netherlands, hopes to discuss some latest issues of the theory of programming and is ready to make a presentation at a seminar.

Ershov informs on his visit to the Netherlands for participation in the IFIP 80 Program Committee meeting, is ready to make a presentation at a seminar and asks to send the telephone number for communication.

upon Prof. J.Arsac's proposition.

on Ershov's participation in the second PC meeting.

Ershov informs on his visit to the Netherlands for participation in the IFIP 80 Program Committee meeting, hopes to see Koster and asks to send the telephone number for communication.

to the IFIP Council on the second PC meeting (with four Appendices).

(supposedly to Ershov) on some current affairs.

preparing meeting discussions.

on the second PC meeting. There are some manuscript notes on the first page.

as to Congress talks and discussions.

Ershov arrives to Amsterdam on 10th of March. He expects that his request for financial support has been confirmed.

made in the course of the meeting.