Documents associated with N. Joachim Lehmann

Covering Letter, L. Pietschker->A.P. Ershov, 25.11.1979
to L.Pietschker's paper.
Covering Letter, N. J. Lehmann->A.P. Ershov, 21.11.1979
by N.J.Lehmann to copies of M.Engelien's paper.
Covering letter (hand-written), N. J. Lehmann->A.P. Ershov, 22.08.1975
Draft Telegram, A.P. Ershov->F. H. Sumner, 07.05.1979
Other invited speakers are suggested instead of Horning.
Letter, N. J. Lehmann->A.P. Ershov, 01.05.1978(?)
Invitation to International Colloquium "Actual Problems of Computering Machinery".
Letter, N. J. Lehmann->A.P. Ershov, 26.03.1975(?)
The author accepts the invitation to the Symposium and wants to present a paper.
Letter, A.P. Ershov->N. J. Lehmann, 10.08.1987
The author thanks for the important letter and forwards it for answering to Prof. I.V.Pottosin.
Letter, N. J. Lehmann->A.P. Ershov, 10.04.1979
Letter, A.P. Ershov->N. J. Lehmann, 01.04.1975
An official invitation to participate in the Symposium. There are given details on the Symposium.
Letter, 10.09.1980
to IFIP General Assembly members with a request to cooperate in reviewing Technical Committee 2 activities.
Letter, A.P. Ershov->N. J. Lehmann, 22.01.1968
Letter, A.P. Ershov->N. J. Lehmann, 17.04.1962
Letter, A.P. Ershov->N. J. Lehmann, 29.04.1962(?)
Letter, A.P. Ershov->N. J. Lehmann, 29.05.1962
Letter, F. L. Bauer ->A.P. Ershov, 13.09.1978
thanks for invitation, will certainly come, gives some ideas about the program and the names of potential participants
Letter, A.P. Ershov->N. J. Lehmann, 17.07.1978
Letter, N. J. Lehmann->A.P. Ershov, 24.12.1978
Letter, N. J. Lehmann->A.P. Ershov, 23.12.1976
Letter, N. J. Lehmann->A.P. Ershov, 25.06.1971
Letter, N. J. Lehmann->A.P. Ershov, 01.10.1975
Thanks for the invitation to the Symposium, which proved to be very interesing; sends the paper manuscript corrected according to Springer publishing rules

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