Published in: Electronic Proceedings in Theoretical Computer Science, 170 (2014), Seite 78-87

Published in: SN Computer Science, 3 (2022) 5

Published in: Software: Practice and Experience, 33 (2003) 13, Seite 1273-1298

Published in: The Computer Journal, 35 (1992) 6, Seite 660-662

Published in: RAIRO. Informatique théorique, 16 (1982) 1, Seite 51-71

Published in: Acta Informatica, 9 (1977) 1

Published in: Computational Science - ICCS 2004 (2004), Seite 1045-1048

Published in: Annals of Combinatorics, 2 (1998) 2, Seite 173-184

Published in: Communications of the ACM, 22 (1979) 9, Seite 508-512