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The 2 knew each other. They were not relatives, though. P.S. was a close friend of Kolmogorov., and co-authored several articles on A.D. (see the references in the external biography link for A.D.) BACbKA 12:35, 4 Aug 2004 (UTC)
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The 2 knew each other. They were not relatives, though. P.S. was a close friend of Kolmogorov., and co-authored several articles on A.D. (see the references in the external biography link for A.D.) BACbKA 12:35, 4 Aug 2004 (UTC)