Letter The Sector of Mathematical Logic (Sofia, Bulgaria) plans to organize the International Summer School and Conference "Mathematical Logic and its Applications". The Organizing Committee invites the addressee as a lector for the School and as a member of the Programme Committee for the Conference. Date: 01.06.1985 Original document language: English Authors: Dimiter G. Skordev Organizations: Univer. of Sofia "Kliment Okhridsky" Addressee: Andrei Petrovich Ershov
