Letter A.Ershov requests to support the Computing Center's application for participation in the planned IFIP symposium on algorithmic languages. He also exlains the troubled situation regarding A.Achildiev's participation in IFIP 80 Congress. Date: 19.05.1980 Original document language: russian Authors: Andrei Petrovich Ershov Persons: Vladimir M. Kurochkin, Asaf Achildiev Addressee: Anatoli Alekseyevich Dorodnitsyn