T. C. Hu, Andrew B. Kahng. Every Tree is Graceful (But Some are More Graceful than Others). In Peter Gritzmann, Bernd Sturmfels, editors, Applied Geometry And Discrete Mathematics, Proceedings of a DIMACS Workshop, Providence, Rhode Island, USA, September 18, 1990. Volume 4 of DIMACS Series in Discrete Mathematics and Theoretical Computer Science, pages 355-358, DIMACS/AMS, 1990.
@inproceedings{HuK90, title = {Every Tree is Graceful (But Some are More Graceful than Others)}, author = {T. C. Hu and Andrew B. Kahng}, year = {1990}, researchr = {https://researchr.org/publication/HuK90}, cites = {0}, citedby = {0}, pages = {355-358}, booktitle = {Applied Geometry And Discrete Mathematics, Proceedings of a DIMACS Workshop, Providence, Rhode Island, USA, September 18, 1990}, editor = {Peter Gritzmann and Bernd Sturmfels}, volume = {4}, series = {DIMACS Series in Discrete Mathematics and Theoretical Computer Science}, publisher = {DIMACS/AMS}, }