Copies of Letters by J.Gobins requesting to postpone the deadline for his paper, and by R.Lucas accepting the postponement and urging to send paper to A.Ershov not later than December 20. Date: 28.11.1979- 03.12.1979 Original document language: English Organizations: IFIP, IFIP Foundation Secretariat Persons: Andrei Petrovich Ershov, Ria Lucas, John Gobins
