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Статьи в журналах
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- 2000 Cosmic Intelligence and Black Holes
- Lefebvre Vladimir A., Efremov Yuri N.
- в журнале eprint arXiv:astro-ph, № /0005546 DOI
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- 1999 Possible analogues of cognitive processes in the patterns of the X-ray variability of the rapid burster
- Lefebvre V.A., Efremov Yu N.
- в журнале Astronomical and Astrophysical Transactions, издательство Cambridge Scientific Publishers (Cambridge), том 18, № 2, с. 335-342 DOI