@incollection{MSMF_1989_2_38__75_0,
     author = {Collino, Alberto and Fulton, William},
     title = {Intersection rings of spaces of triangles},
     booktitle = {Colloque en l'honneur de Pierre Samuel (Orsay 21-22 mai 1987)},
     series = {M\'emoires de la Soci\'et\'e Math\'ematique de France},
     pages = {75--117},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {38},
     year = {1989},
     doi = {10.24033/msmf.342},
     mrnumber = {91g:14053},
     zbl = {0726.14006},
     url = {http://www.numdam.org/articles/10.24033/msmf.342/}
}