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"Semiretracts--a counterexample and some results."
Wit Forys, Tomasz Krawczyk, James A. Anderson (2003)
- Wit Forys, Tomasz Krawczyk, James A. Anderson:
Semiretracts--a counterexample and some results. Theor. Comput. Sci. 307(1): 117-127 (2003)
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