Edmund Ihler. Bounds on the quality of approximate solutions to the Group Steiner Problem. In Rolf H. Möhring, editor, Graph-Theoretic Concepts in Computer Science, 16rd International Workshop, WG 90, Berlin, Germany, June 20-22, 1990, Proceedings. Volume 484 of Lecture Notes in Computer Science, pages 109-118, Springer, 1990.
@inproceedings{Ihler90, title = {Bounds on the quality of approximate solutions to the Group Steiner Problem}, author = {Edmund Ihler}, year = {1990}, researchr = {https://researchr.org/publication/Ihler90}, cites = {0}, citedby = {0}, pages = {109-118}, booktitle = {Graph-Theoretic Concepts in Computer Science, 16rd International Workshop, WG 90, Berlin, Germany, June 20-22, 1990, Proceedings}, editor = {Rolf H. Möhring}, volume = {484}, series = {Lecture Notes in Computer Science}, publisher = {Springer}, isbn = {3-540-53832-1}, }