@article{Haz-Lor-2007-1,
    author={Christophe Hazard and François Loret },
    title={Generalized eigenfunction expansions for conservative 
           scattering problems with an application to water waves },
    journal={Proceedings of the Royal Society of Edinburg, },
    year={2007 },
    month={10},
    volume={137 (5) },
    pages={995--1035},
}