@article{AIHPC_2021__38_3_549_0,
     author = {Ginzburg, Viktor L. and G\"urel, Ba\c{s}ak Z. and Mazzucchelli, Marco},
     title = {On the spectral characterization of {Besse} and {Zoll} {Reeb} flows},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {549--576},
     publisher = {Elsevier},
     volume = {38},
     number = {3},
     year = {2021},
     doi = {10.1016/j.anihpc.2020.08.004},
     zbl = {1475.53086},
     mrnumber = {4227045},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.anihpc.2020.08.004/}
}