@incollection{SB_1992-1993__35__187_0,
     author = {Looijenga, Eduard},
     title = {Intersection theory on {Deligne-Mumford} compactifications [after {Witten} et {Kontsevich]}},
     booktitle = {S\'eminaire Bourbaki : volume 1992/93, expos\'es 760-774},
     series = {Ast\'erisque},
     note = {talk:768},
     pages = {187--212},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {216},
     year = {1993},
     mrnumber = {1246398},
     zbl = {0821.14005},
     language = {en},
     url = {http://archive.numdam.org/item/SB_1992-1993__35__187_0/}
}