@article{GT_2017_21_5_a4,
     author = {Dupont, Cl\'ement and Vallette, Bruno},
     title = {Brown{\textquoteright}s moduli spaces of curves and the gravity operad},
     journal = {Geometry & topology},
     pages = {2811--2850},
     publisher = {mathdoc},
     volume = {21},
     number = {5},
     year = {2017},
     doi = {10.2140/gt.2017.21.2811},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2017.21.2811/}
}