@article{1183736620,
author = {Hassett, Matthew J.},
title = {Recursive Equivalence Types and Groups},
journal = {J. Symbolic Logic},
volume = {34},
number = {1},
year = {1969},
pages = { 13-20},
language = {en},
url = {http://dml.mathdoc.fr/item/1183736620}
}
Hassett, Matthew J. Recursive Equivalence Types and Groups. J. Symbolic Logic, Tome 34 (1969) no. 1, pp. 13-20. http://gdmltest.u-ga.fr/item/1183736620/