@article{GT_2019_23_1_a6,
     author = {Boavida de Brito, Pedro and Horel, Geoffroy and Robertson, Marcy},
     title = {Operads of genus zero curves and the {Grothendieck{\textendash}Teichm\"uller} group},
     journal = {Geometry & topology},
     pages = {299--346},
     publisher = {mathdoc},
     volume = {23},
     number = {1},
     year = {2019},
     doi = {10.2140/gt.2019.23.299},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2019.23.299/}
}