Archive
Editorial activity
Collaboration with "Nauka i Zhizn'" (Science and Life) magazine
Replies to readers
Letter, 01.04.1984
Letter, 01.05.1984
Letter, 01.08.1984
Letter, 04.07.1983
Letter, 20.01.1984
Letter, 01.09.1984
Letter, 28.11.1984
Letter, 24.10.1984
Letter, 10.09.1984
Letter, 12.12.1984
Letter, 13.06.1984
Letter, 12.06.1984
Letter, A.P. Ershov->A. I. Abelskii, 11.11.1984

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