Rudolf Fleischer, B. P. Sinha, Christian Uhrig. A Lower Bound for the Worst Case of Bottom-Up-Heapsort. Inf. Comput., 102(2):263-279, February 1993.
@article{FleischerSU93, title = {A Lower Bound for the Worst Case of Bottom-Up-Heapsort}, author = {Rudolf Fleischer and B. P. Sinha and Christian Uhrig}, year = {1993}, month = {February}, researchr = {https://researchr.org/publication/FleischerSU93}, cites = {0}, citedby = {0}, journal = {Inf. Comput.}, volume = {102}, number = {2}, pages = {263-279}, }