$\Pi_{1}^{1}$ sets of sets, hyperdegrees and related problems
TANAKA, Hisao
J. Math. Soc. Japan, Tome 25 (1973) no. 4, p. 609-621 / Harvested from Project Euclid
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Publié le : 1973-10-15
Classification:  02F35,  02K30 
@article{1240435460,
     author = {TANAKA, Hisao},
     title = {$\Pi\_{1}^{1}$ sets of sets, hyperdegrees and related problems},
     journal = {J. Math. Soc. Japan},
     volume = {25},
     number = {4},
     year = {1973},
     pages = { 609-621},
     language = {en},
     url = {http://dml.mathdoc.fr/item/1240435460}
}

TANAKA, Hisao. $\Pi_{1}^{1}$ sets of sets, hyperdegrees and related problems. J. Math. Soc. Japan, Tome 25 (1973) no. 4, pp.  609-621. http://gdmltest.u-ga.fr/item/1240435460/