Letter with attachment with detailed information on Ershov's forthcoming visit to the USA: about reimbursement and visa; contact phone numbers; enclosed are a form for foeign visiters to be completed and returned, an application for social security, information on the University of California reimbursement policy. Date: 15.03.1976 Original document language: English Authors: Lorraine Martin Organizations: Univer. of California (Los Alamos) Persons: Nicholas Metropolis Addressee: Andrei Petrovich Ershov