Jinlu Li, Kaddour Boukaabar. Singular Points and an Upper Bound of Medians in Upper Semimodular Lattices. Order, 17(3):287-299, 2000. [doi]
@article{LiB00-0, title = {Singular Points and an Upper Bound of Medians in Upper Semimodular Lattices}, author = {Jinlu Li and Kaddour Boukaabar}, year = {2000}, doi = {10.1023/A:1026760432073}, url = {http://dx.doi.org/10.1023/A:1026760432073}, researchr = {https://researchr.org/publication/LiB00-0}, cites = {0}, citedby = {0}, journal = {Order}, volume = {17}, number = {3}, pages = {287-299}, }