Geodesic
One theorem about strongly $\eta$-representable sets
Izvestiâ vysših učebnyh zavedenij. Matematika, no. 7 (2009), pp. 77-81 Cet article a éte moissonné depuis la source Math-Net.Ru

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In this paper we consider strongly $\eta$-representable sets. We prove that the union of $\Sigma^0_2$- and $\Pi^0_2$-sets is strongly $\eta$-representable.
Keywords: computability, linear order, strong $\eta$-representability. 
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     author = {M. V. Zubkov},
     title = {One theorem about strongly $\eta$-representable sets},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {77--81},
     year = {2009},
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     url = {http://geodesic.mathdoc.fr/item/IVM_2009_7_a7/}
}
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M. V. Zubkov. One theorem about strongly $\eta$-representable sets. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 7 (2009), pp. 77-81. http://geodesic.mathdoc.fr/item/IVM_2009_7_a7/

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