Letter The author regrets that Ershov cold not come to the WG session in Grenoble and hopes that he will be able to attend the next meeting in Warsaw; asks for advice concerning the dates of his prospective visit to Novosibirsk Date: 05.11.1965 Original document language: English Authors: John McCarthy Organizations: Stanford University Persons: Niklaus Wirth, C. A. R. Hoare, Aad van Wijngaarden Addressee: Andrei Petrovich Ershov
