@article{EJDE_1999__1999__a6,
     author = {Estrada,  R. and Fulling,  S.A.},
     title = {Distributional asymptotic expansions of spectral functions and of the associated {Green} kernels},
     journal = {Electronic journal of differential equations},
     year = {1999},
     volume = {1999},
     zbl = {0919.35096},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_1999__1999__a6/}
}