@article{AIHPA_1979__31_1_43_0,
     author = {Cotta-Ramusino, P. and Kr\"uger, W. and Schrader, R.},
     title = {Quantum scattering by external metrics and {Yang-Mills} potentials},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {43--71},
     publisher = {Gauthier-Villars},
     volume = {31},
     number = {1},
     year = {1979},
     mrnumber = {557051},
     zbl = {0441.35055},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AIHPA_1979__31_1_43_0/}
}