In: Algorithms - ESA 2015. 23rd Annual European Symposium, Patras, Greece, September 14-16, 2015, Proceedings Lecture Notes in Computer Science (9294) Springer, Berlin, pp. 865-877.
Optimal Parameterized Algorithms for Planar Facility Location Problems Using Voronoi Diagrams
Invariant inhesitance in structured operating procedures described by Petri nets. (Technical report of the Systems and Controls Laboratory, SCL-001-1997.)