@conference{Bec-Jol-Rod-2005-4,
    author={Éliane Bécache and Patrick Joly and Jerónimo Rodríguez },
    title={Analysis of a space-time mesh refinement method for wave 
           propagation problems },
    publisher={The Sixth European Conference on Numerical Mathematics and 
           Advanced Applications (ENUMATH'05). Universidad de Santiago de 
           Compostela, Spain },
    year={2005 },
    month={7},
}