Alon, Noga; Galil, Zvi; Margalit, Oded; Naor, Moni Witnesses for Boolean matrix multiplication and for shortest paths. (English) Zbl 0977.68562 33rd annual symposium on Foundations of computer science (FOCS). Proceedings, Pittsburgh, PA, USA, October 24-27, 1992. Washington, DC: IEEE Computer Society Press, 417-426 (1992). Cited in 14 Documents MSC: 68R10 Graph theory (including graph drawing) in computer science PDF BibTeX XML Cite \textit{N. Alon} et al., in: 33rd annual symposium on Foundations of computer science (FOCS). Proceedings, Pittsburgh, PA, USA, October 24--27, 1992. Washington, DC: IEEE Computer Society Press. 417--426 (1992; Zbl 0977.68562)