Letter With please will give a report about the IFIP Conference in Vienna and tellind about the meeting with Acad. Dorodnitsyn who still hadn't received the letter concerning Ershov's participation in Baden Date: 18.12.1964 Original document language: English Authors: Heinz Zemanek Organizations: IFIP Persons: Anatoli Alekseyevich Dorodnitsyn Addressee: Andrei Petrovich Ershov