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- "Recursion from Cyclic Sharing: Traced Monoidal Categories and Models of Cyclic Lambda Calculi (1997)" http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.52.31
- "On Traced Monoidal Closed Categories (28 November 2007)" http://www.kurims.kyoto-u.ac.jp/~hassei/papers/mscs2009.pdf
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