1
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Philosophical transactions of the Royal Society of London / A Mathematical, physical and engineering sciences Series A, 377 (2019) 2152, S. 20180286 -
Restricted  OpenAccess  Restricted  OpenAccess 
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Zurnal Sibirskogo Federal'nogo Universiteta / Serija Matematika i fizika, 3 (2010) S. 23 - 47
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