On disjoint cycles. (English)
Graph-theoretic concepts in computer science, Proc. 17th Int. Workshop, Fischbachau/Ger. 1991, Lect. Notes Comput. Sci. 570, 230-238 (1992).
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Improved self-reduction algorithms for graphs with bounded treewidth. (English)
Graph-theoretic concepts in computer science, Proc. 15th Int. Workshop, WG ’89, Castle Rolduc/Neth. 1989, Lect. Notes Comput. Sci. 411, 232-244 (1990).
2
Testing matrices for definiteness and application examples that spawn the need. (English)
J. Guid. Control Dyn. 10, 503-506 (1987).
3