Liebling, Th. M.Margot, F.Müller, D.Prodon, A.Stauffer, L.2006-02-132006-02-132006-02-13199510.1287/ijoc.7.1.84https://infoscience.epfl.ch/handle/20.500.14299/222782Disjoint paths in the planetext::journal::journal article::research article