@article{1093888500, author = {Collins, William J.}, title = {Provably recursive real numbers.}, journal = {Notre Dame J. Formal Logic}, volume = {19}, number = {1}, year = {1978}, pages = { 513-522}, language = {en}, url = {http://dml.mathdoc.fr/item/1093888500} }
Collins, William J. Provably recursive real numbers.. Notre Dame J. Formal Logic, Tome 19 (1978) no. 1, pp. 513-522. http://gdmltest.u-ga.fr/item/1093888500/