@article{MZ_1977__153_172484,
     author = {Heinz O. Cordes and Robert C. McOwen},
     title = {The {C*-Algebra} of a {Singular} {Elliptic} {Problem} on a {Noncompact} {Riemannian} {Manifold.}},
     journal = {Mathematische Zeitschrift},
     pages = {101--116},
     publisher = {mathdoc},
     volume = {153},
     year = {1977},
     zbl = {0345.35087},
     url = {http://geodesic.mathdoc.fr/item/MZ_1977__153_172484/}
}