@article{SIGMA_2007_3_a93,
     author = {Stephen A. Fulling},
     title = {Vacuum {Energy} as {Spectral} {Geometry}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2007},
     volume = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2007_3_a93/}
}