Letter (hand-written) Very regretfully A.Ershov must resign his membership in the IFIP 2.1 Working Group because of his heavy involvement in school informatics. He expresses his feelings as to many years of common activities and wishes to everybody in the Group a coherent and productive work. Date: 15.02.1985 Original document language: English Authors: Andrei Petrovich Ershov Organizations: Univer. of Manitoba Addressee: Peter R. King
