Letter Participants of the 31st WG 2.1 meeting highly appreciating A.P.Ershov's membership and noting that he could not attend WG meetings for some time would be pleased if he were able to attend one of future meetings - the 32nd or the 33rd. Date: 19.07.1983 Original document language: English Authors: Peter R. King Addressee: Andrei Petrovich Ershov
