| Unconfirmed Minutes, 10.09.1963-13.09.1963 of the meeting.
Letter, A.P. Ershov->W. L. van der Poel, 18.02.1964The author cannot attend the meeting and makes some remarks to its agenda.
Activity Report, 01.04.1964(?)of the Group. The report concerns its 2nd and 3rd meetings.
Initial order | In alphabetical order | By date |
