BibTex format
@article{Ilyin:2020:10.1016/j.jfa.2020.108784,
author = {Ilyin, A and Laptev, A and Zelik, S},
doi = {10.1016/j.jfa.2020.108784},
journal = {Journal of Functional Analysis},
pages = {1--18},
title = {Lieb-Thirring constant on the sphere and on the torus},
url = {http://dx.doi.org/10.1016/j.jfa.2020.108784},
volume = {279},
year = {2020}
}