Norbert Blum. On the Single-Operation Worst-Case Time Complexity of the Disjoint Set Union Problem. SIAM Journal on Computing, 15(4):1021-1024, 1986.
@article{Blum86, title = {On the Single-Operation Worst-Case Time Complexity of the Disjoint Set Union Problem}, author = {Norbert Blum}, year = {1986}, researchr = {https://researchr.org/publication/Blum86}, cites = {0}, citedby = {0}, journal = {SIAM Journal on Computing}, volume = {15}, number = {4}, pages = {1021-1024}, }