Closed Curves and Geodesics with Two Self-Intersections on the Punctured Torus.
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D. Crisp, S. Dziadosz, D.J. Garity (1998)
Monatshefte für Mathematik
Ying Zhang (2007)
Acta Arithmetica
Jeffrey C. Lagarias, Jeffrey O. Shallit (2003)
Journal de théorie des nombres de Bordeaux
We fill a gap in the proof of a theorem of our paper cited in the title.
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