@article{JEMS_2012_14_1_a0,
     author = {Benjamin Howard and John J. Millson and Andrew Snowden and Ravi Vakil},
     title = {The ideal of relations for the ring of invariants of $n$  points on the line},
     journal = {Journal of the European Mathematical Society},
     pages = {1--60},
     publisher = {mathdoc},
     volume = {14},
     number = {1},
     year = {2012},
     doi = {10.4171/jems/295},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/295/}
}