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Documents associated with Charles Babbage Letter, A.P. Ershov->H. D. Baecker, 12.05.1971 apologies for not being to give a positive answer to the letter concerning the anniversary of C. Babbage through misunderstanding
Letter, H. D. Baecker->A.P. Ershov, 06.10.1970Initial order | In alphabetical order | By date Back |
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