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Documents associated with University of Pittsburgh Letter, J. Belzer ->A.P. Ershov, 17.12.1971 Letter, A.P. Ershov->A. Debons, 05.07.1972 notification of the inability to accept the kind invitation to visit the institute owing to practical impossibility to get authorization for two trips to the USA in one year
Letter, A. Debons->A.P. Ershov, 04.04.1972Telegram, A.P. Ershov->J. F. Traub, 09.10.1972 approval of Dr. Gaberman professorship
Letter, J. Belzer ->A.P. Ershov, 10.09.1971Initial order | In alphabetical order | By date Back |
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