Koudjinan E, Kaloshin V. 2022. On some invariants of Birkhoff billiards under conjugacy. Regular and Chaotic Dynamics. 27(6), 525–537.
LibreCat: https://research-explorer.ista.ac.at/record/12145
DOI: 10.1134/S1560354722050021
WoS: 000865267300002
arXiv: 2105.14640