Letter on a Form The author informs of the celebration of the 50th issue of "Theoretical Computer Science" in Karlsruhe. He only regrets about the intention of several members of the Editorial Board to resign. Date: 13.05.1987 Original document language: English Authors: Mauriņe Nivat Persons: Einar H. Fredriksson Addressee: Andrei Petrovich Ershov
