@article{JEMS_2010_12_2_a6,
     author = {Bernd Sturmfels and Zhiqiang Xu},
     title = {Sagbi bases of {Cox{\textendash}Nagata} rings},
     journal = {Journal of the European Mathematical Society},
     pages = {429--459},
     publisher = {mathdoc},
     volume = {12},
     number = {2},
     year = {2010},
     doi = {10.4171/jems/204},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/204/}
}