@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/