Henry Ernest Dudeney/Modern Puzzles/142 - Economy in String/General Solution/Historical Note
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Historical Note on Modern Puzzles by Henry Ernest Dudeney: General Solution to $142$ - Economy in String
According to Dudeney, this general solution is the result of work by Alexander Yule Fraser.
Sources
- 1926: Henry Ernest Dudeney: Modern Puzzles ... (previous) ... (next): Solutions: $142$. -- Economy in String
- 1968: Henry Ernest Dudeney: 536 Puzzles & Curious Problems ... (previous) ... (next): Answers: $313$. Economy in String