Letter with attachment on Ershov's participation in the IFIP Technical Committee; asking of the possibility of Ershov's presence in Pisa or Oslo; enclosed are copies of the letters to Academicians Dorodnitsyn and Sisakyan on appointing Ershov the Vice-chairman of the W.G.2.1. Date: 20.05.1966 Original document language: English Authors: Heinz Zemanek Organizations: IFIP Persons: Norair M. Sisakyan, Anatoli Alekseyevich Dorodnitsyn, R. E. Utman Addressee: Andrei Petrovich Ershov