Letter informing about the Conference on data processing to be held in DDR and inviting A.P. Ershov or I.V. Pottosin to make a plenar talk. Date: 07.07.1976 Original document language: russian Authors: Dieter Hammer, H. W. Meier Organizations: ZfR Persons: Igor V. Pottosin Addressee: Andrei Petrovich Ershov
