@article{GT_2021_25_3_a2,
     author = {Barbot, Thierry and Fenley, S\'ergio R},
     title = {Free {Seifert} pieces of {pseudo-Anosov} flows},
     journal = {Geometry & topology},
     pages = {1331--1440},
     publisher = {mathdoc},
     volume = {25},
     number = {3},
     year = {2021},
     doi = {10.2140/gt.2021.25.1331},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2021.25.1331/}
}