Jeffrey Shallit, David Wilson. The 3x + 1 Problem and Finite Automata. Bulletin of the EATCS, 46:182-185, 1992.
@article{ShallitW92,
title = {The 3x + 1 Problem and Finite Automata},
author = {Jeffrey Shallit and David Wilson},
year = {1992},
researchr = {https://researchr.org/publication/ShallitW92},
cites = {0},
citedby = {0},
journal = {Bulletin of the EATCS},
volume = {46},
pages = {182-185},
}