Request to invite to the Soviet Union two outstanding scientists in the field of programming - Prof. E.Dijkstra (Netherlands) and Prof. A.Hoare (Great Britain)for the period of two weeks at the time suitable for them (autumn 1976). Attachments: 1. Short references 2. Scientific references

of Scientific council of Computing Center SB AS on A.P.Ershov's doctoral thesis

from a section of the Institute of Cybernitics (Kiev). (With a hand-written Ershov's explanatory remark addressed to his mother.)

requesting to appoint a person responsible for the reception of Prof. Dijkstra and Hoare in Kiev

to the dissertation with brief comments and the request to be an official opponent