Information, R. E. Utman->A.P. Ershov, 03.07.1963
Letter, M. Woodger ->A.P. Ershov, 16.07.1963Thanks for Ershov's consent to participate in the IFIP Congress preparation; discussion of Ershov's critical remarks to the Programme
Letter with attachment, M. Woodger ->A.P. Ershov, 17.07.1963
Letter with attachment, R. E. Utman->A.P. Ershov, 22.07.1963
Letter, A. W. Burks->A.P. Ershov, 06.08.1963
Letter, J. K. Iliffe->A.P. Ershov, 09.08.1963
Letter, R. E. Utman->A.P. Ershov, 23.07.1963
Covering letter, M. Woodger ->A.P. Ershov, 12.08.1963
Letter, R. E. Utman->A.P. Ershov, 12.08.1963
Letter, R. E. Utman->A.P. Ershov, 04.09.1963
Note, A. Finerman->A.P. Ershov, 07.10.1963
Letter, K. E. Iverson ->A.P. Ershov, 06.09.1963
Instructions, 18.10.1963for Reviewers of the "Mathematical Reviews"
Letter, R. Goodman->A.P. Ershov, 13.11.1963
Letter, R. W. Floyd->A.P. Ershov, 23.10.1963
Letter, R. Goodman->A.P. Ershov, 09.12.1963
Covering card and invoices, 15.11.1963
Letter, L. Kalmar->A.P. Ershov, 29.12.1963
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