@Article{Alcubierre99c,
    author = {M. Alcubierre and B. Br\"{u}gmann and M. Miller and W.-M. Suen},
    title = {A Conformal Hyperbolic Formulation of the Einstein Equations},
    journal = {Phys. Rev. D},
    year = {1999},
    volume = {60},
    pages = {064017}
}