of the PC meeting.

of Springer Verlag.

for the telegram which informs that IFIP consents to pay for Ershov's sojourn in Amsterdam.

connected with Ershov's arrival to Amsterdam.

of the IFIP 80 Call for Papers and of its Russian translation. The Call for Papers is designed at the first meeting of the Program Committee.

of Tokyo.

of Melbourne.

Information for participants of the first PC meeting. There are two attachments: 1) explanatory notes; 2) list of members of the PC.

on lecture halls for IFIP 80 in Tokyo.

on the Congress issued by the Japanese and by the Australian Organizing Committees.

A reservation has been made in an Amsterdam hotel for A.P.Ershov, as a participant of the first meeting of the Program Committee.

A portion of the advance payment to A.P.Ershov is enclosed. The remainding part will be ready the next day.

Van Wijngaarden invites Ershov to visit him in Amsterdam.

which confirms Ershov's hotel reservation as well as covering his living expenses during the PC meeting.

asking to find a way of payment for the stay in Amsterdam during the IFIP 80 PC meeting.

Edsger Dijkstra invites A.Ershov to be his guest in Nuenen after the Program Committee meeting.

Original and Russian texts of two documents: a) a letter which concerns organizational issues of the first PC meeting; b) a list of PC members as of April 25, 1978.

Being IFIP 80 PC member Ershov will be able to visit Amsterdam several times. He will be glad to stay in September in Netherlands one or two days more for seeing van Wijngaarden and Dijkstra.

indicating the term of the first PC meeting.

of the meeting participants with indication of their functions. Many manuscript notes on the sheet.