@article{DAN_1982_262_3_a20,
     author = {S. P. Merkur'ev and S. L. Yakovlev},
     title = {Differential formulation of the scattering problem for a $N$-body system},
     journal = {Doklady Akademii Nauk},
     pages = {591--594},
     publisher = {mathdoc},
     volume = {262},
     number = {3},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1982_262_3_a20/}
}