@article{TM_1980_147_a1,
     author = {V. G. Deich and D. R. Yafaev},
     title = {Spectral theory and scattering for the {d'Alembert} operator with vector potential},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {5--13},
     year = {1980},
     volume = {147},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1980_147_a1/}
}