- CoRR (2012)
- CoRR (2010)
- CoRR (2008)
- CoRR (2008)
- CoRR (2010)
- CoRR (2010)
- CoRR (2006)
- CoRR (2010)
- CoRR (2008)
- CoRR (2010)
- IEEE Trans. Computers 27(3):256-258 (1978)
- Pattern Recognition Letters 32(14):1735-1746 (2011)
- SWAT FOCS, page 60-78. IEEE Computer Society, (1971)
- CAIP 1, volume 6854 of Lecture Notes in Computer Science, page 294-301. Springer, (2011)
- Developments in Language Theory, volume 6795 of Lecture Notes in Computer Science, page 464-465. Springer, (2011)
- Theor. Comput. Sci. 412(36):4795-4804 (2011)
- DGCI, volume 3429 of Lecture Notes in Computer Science, page 115-125. Springer, (2005)
- DMTCS, volume 2731 of Lecture Notes in Computer Science, page 129-140. DMTCS, (2003)
- ICALP, volume 2380 of Lecture Notes in Computer Science, page 38-56. Springer, (2002)
- DGCI, volume 2301 of Lecture Notes in Computer Science, page 136-144. Springer, (2002)


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