Free Access
RAIRO-Theor. Inf. Appl.
Volume 21, Number 1, 1987
Page(s) 3 - 9
Published online 01 February 2017
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  2. 2. S. ANDO, Letter to J. C. Lagarias. [Google Scholar]
  3. 3. R. TERRAS A Stopping Time Problem on the Positive Integers, Acta arithmetica, vol. 30, 1976, p. 241-252. [EuDML: 205476] [MR: 568274] [Zbl: 0348.10037] [Google Scholar]

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