@article{ARM_2010__46_2_a4,
     author = {Calvaruso, Giovanni},
     title = {Conformally flat {Lorentzian} three-spaces with various properties of symmetry and homogeneity},
     journal = {Archivum mathematicum},
     pages = {119--134},
     publisher = {mathdoc},
     volume = {46},
     number = {2},
     year = {2010},
     mrnumber = {2684254},
     zbl = {1240.53116},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_2010__46_2_a4/}
}