Telegram acknowledgement of the interest in delegation exchange on the problems of natural languages; information on the time of arrival to Leningrad; invitation to the IFIP working conference in Novosibirsk
Date: 13.04.1977 Original document language: russian Authors: Andrei Petrovich Ershov Persons: Alexander A. Letichevsky Addressee: Alexander A. Letichevsky, Bashir I. Rameev
