@article{TMF_1972_13_1_a6,
     author = {A. V. Bogdanov and G. V. Dubrovskiy},
     title = {Eikonal expansion of scattering equations},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {88--101},
     publisher = {mathdoc},
     volume = {13},
     number = {1},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1972_13_1_a6/}
}