Letter on a Form The author informs on forthcoming meeting of IFIP WG 2.3 at Lake Balaton, Hungary, in the week 16 to 20 June, 1986 and asks to indicate the topics of the reports for discussion on the enclosed form. Specially for A.Ershov there is a handwritten text by author, who asks to regard this as an official invitation to attend. Date: 19.03.1986 Original document language: English Authors: Mike Woodger Organizations: IFIP Addressee: Andrei Petrovich Ershov