Countable retracing functions and $\Pi_2{}^0$ predicates.
Jockusch, C. G. ; McLaughlin, T. G.
Pacific J. Math., Tome 31 (1969) no. 3, p. 67-93 / Harvested from Project Euclid
Publié le : 1969-05-14
Classification:  02.77
@article{1102978701,
     author = {Jockusch, C. G. and McLaughlin, T. G.},
     title = {Countable retracing functions and $\Pi\_2{}^0$ predicates.},
     journal = {Pacific J. Math.},
     volume = {31},
     number = {3},
     year = {1969},
     pages = { 67-93},
     language = {en},
     url = {http://dml.mathdoc.fr/item/1102978701}
}
Jockusch, C. G.; McLaughlin, T. G. Countable retracing functions and $\Pi_2{}^0$ predicates.. Pacific J. Math., Tome 31 (1969) no. 3, pp.  67-93. http://gdmltest.u-ga.fr/item/1102978701/