Letter (hand-written) A.P.Ershov applies to the addressee according to Prof. Perlis' advice. He writes about his forthcoming trip to England and hopes for near meeting in Cambridge. Date: 20.10.1958 Original document language: English Authors: Andrei Petrovich Ershov Organizations: Cambridge Univer. Persons: Alan J. Perlis Addressee: David J. Wheeler
