@article{AMLG_1978__19_137953,
     author = {Salvatore Caporaso},
     title = {Consistency proof without transfinite induction for a formal system for turing machines.},
     journal = {Archiv f\"ur mathematische Logik und Grundlagenforschung},
     pages = {157--164},
     publisher = {mathdoc},
     volume = {19},
     year = {1978},
     zbl = {0406.03070},
     url = {http://geodesic.mathdoc.fr/item/AMLG_1978__19_137953/}
}