Letter 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. Date: 30.01.1979 Original document language: English Authors: Andrei Petrovich Ershov Organizations: IFIP Persons: Edsger W. Dijkstra, Aad van Wijngaarden Addressee: Cornelius Koster
