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Journal Article

An Analytic Method for the "Difficult Crossing" Puzzles

Benjamin L. Schwartz
Mathematics Magazine
Vol. 34, No. 4 (Mar. - Apr., 1961), pp. 187-193
DOI: 10.2307/2687980
Stable URL: http://www.jstor.org/stable/2687980
Page Count: 7
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An Analytic Method for the "Difficult Crossing" Puzzles
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