Yanping Zhou, Binwu He. U-functional. Adv. Appl. Math., 87:43-57, 2017. [doi]
@article{ZhouH17-12, title = {U-functional}, author = {Yanping Zhou and Binwu He}, year = {2017}, doi = {10.1016/j.aam.2016.12.004}, url = {https://doi.org/10.1016/j.aam.2016.12.004}, researchr = {https://researchr.org/publication/ZhouH17-12}, cites = {0}, citedby = {0}, journal = {Adv. Appl. Math.}, volume = {87}, pages = {43-57}, }