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LibreCat: https://research-explorer.ista.ac.at/record/7791
DOI: 10.1007/s40879-020-00405-0
arXiv: 1912.12685

Weighill, T., Yamauchi, T., &; Zava, N. (2021). Coarse infinite-dimensionality of hyperspaces of finite subsets. European Journal of Mathematics. Springer Nature.https://doi.org/10.1007/s40879-021-00515-3 
LibreCat: https://research-explorer.ista.ac.at/record/10608
DOI: 10.1007/s40879-021-00515-3

Akopyan, A., Schwartz, R., &; Tabachnikov, S. (2020). Billiards in ellipses revisited. European Journal of Mathematics. Springer Nature.https://doi.org/10.1007/s40879-020-00426-9 
LibreCat: https://research-explorer.ista.ac.at/record/8538
DOI: 10.1007/s40879-020-00426-9
arXiv: 2001.02934

Kalinin, N., &; Shkolnikov, M. (2019). Tropical formulae for summation over a part of SL(2,Z). European Journal of Mathematics. Springer Nature.https://doi.org/10.1007/s40879-018-0218-0 
LibreCat: https://research-explorer.ista.ac.at/record/441
DOI: 10.1007/s40879-018-0218-0
arXiv: 1711.02089