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Letter, F. A. Kiselev ->S. L. Sobolev, 10.01.1963
Letter, N.P. Yerugin->S. L. Sobolev, 22.01.1963
Letter, G. Yesirkegenov->G. I. Marchuk, 31.01.1963
Note
Covering letter, S. S. Kryukov->S. L. Sobolev, 04.05.1963
Letter, A. A. Dorodnitsyn->S. L. Sobolev, 11.05.1963
Covering letter, B. Shibaev->S. L. Sobolev, 25.05.1963
Letter (hand-written), 03.06.1963
Letter, 08.06.1963
Letter, 11.06.1963
Letter, 21.06.1963
Letter, 28.06.1963
Letter, 04.07.1963
Letter, 15.07.1963
Letter, 25.06.1963
Letter, 02.08.1963
Information letter, 23.08.1963
Letter, 04.09.1963
Information letter, Organizing Committee->G. I. Marchuk, 04.10.1963
Letter, G. K. Zhirkov->G. I. Marchuk, 30.09.1963
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Initial order | In alphabetical order | By date |
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