@article{MZ_1991__206_1_174237,
     author = {T.H. Wolter},
     title = {Einstein {Metrics} on solvable groups.},
     journal = {Mathematische Zeitschrift},
     pages = {457--472},
     publisher = {mathdoc},
     volume = {206},
     number = {1},
     year = {1991},
     zbl = {0707.53038},
     url = {http://geodesic.mathdoc.fr/item/MZ_1991__206_1_174237/}
}