@article{1183547849,
author = {Odifreddi, Piergiorgio},
title = {Strong reducibilities},
journal = {Bull. Amer. Math. Soc. (N.S.)},
volume = {4},
number = {1},
year = {1981},
pages = { 37-86},
language = {en},
url = {http://dml.mathdoc.fr/item/1183547849}
}
Odifreddi, Piergiorgio. Strong reducibilities. Bull. Amer. Math. Soc. (N.S.), Tome 4 (1981) no. 1, pp. 37-86. http://gdmltest.u-ga.fr/item/1183547849/