as to sending A.P.Ershov to a PC meeting in 1979.

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

on Ershov's trip to the second PC meeting.

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

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.

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.

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.

on organizing Ershov's staying in Amsterdam.

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

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

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

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

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

E.Dijkstra invites A.Ershov to visit him in Nuenen.

Van Wijngaarden is delighted that Ershov will come to Amsterdam and hopes to have a dinner with him.

International Relations Dept. of the USSR Ac. Sci. requests to provide A.P.Ersov's arrival to Moscow for his further flight to Amsterdam.

preparing meeting discussions.

upon Prof. J.Arsac's proposition.