Proposal to join the Program Committee of the International Symposium on Programming Languages. Enclosed is the IFIP/TC2 decision to hold the symposium in honour of Prof. A. van Wijngaarden

Informing of the vacancies for the research students' fellowship at the University of Nijmegen? discussion possible candidates, and asking to authorize preparation of the reply to the Netherlands' party proposal.

in reply to the letter of Dec. 29, 1979; thanks for consent to join the Program Committee; requesting, if possible, to give a lecture at Mathematical Center in Amsterdam in the first week of March

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

Covering letter for the Report of A.P.Ershov on his participation in the third PC meeting, and this Report itself.

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.

on Ershov's participation in the second PC meeting.

asking to look around and find people who could comtribute to the symposium

The author thanks the addressee for dedicating him paper published in BIT Vol.28 no.3. He estimates and gives notes to twenty papers by different authors.

"I have scheduled your talk on March 5."

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

Ershov is ready to visit the Mathematical Centrum (Amsterdam) and give there an informal talk. The letter contains also the resume of this talk.