@article{MZ_1986__191_173692,
     author = {Stephen S.-T. Yau},
     title = {Solvable {Lie} {Algebras} and {Generalized} {Cartan} {Matrices} {Arising} from {Isolated} {Singularities.}},
     journal = {Mathematische Zeitschrift},
     pages = {489--506},
     publisher = {mathdoc},
     volume = {191},
     year = {1986},
     zbl = {0589.17012},
     url = {http://geodesic.mathdoc.fr/item/MZ_1986__191_173692/}
}