@article{JEMS_2010_12_6_a3,
     author = {Pavel Etingof and Victor Ginzburg},
     title = {Noncommutative del {Pezzo} surfaces and {Calabi-Yau} algebras},
     journal = {Journal of the European Mathematical Society},
     pages = {1371--1416},
     publisher = {mathdoc},
     volume = {12},
     number = {6},
     year = {2010},
     doi = {10.4171/jems/235},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/235/}
}