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@article{AMLG_1967__11_137810, author = {B.H. Mayoh}, title = {Semi-effective numberings and definitions of the computable numbers.}, journal = {Archiv f\"ur mathematische Logik und Grundlagenforschung}, pages = {113--125}, publisher = {mathdoc}, volume = {11}, year = {1967}, zbl = {0179.01901}, url = {http://geodesic.mathdoc.fr/item/AMLG_1967__11_137810/} }
B.H. Mayoh. Semi-effective numberings and definitions of the computable numbers.. Archiv für mathematische Logik und Grundlagenforschung, Tome 11 (1967), pp. 113-125. http://geodesic.mathdoc.fr/item/AMLG_1967__11_137810/