@article{TMF_1987_70_2_a10,
     author = {V. S. Buslaev and N. A. Kaliteevskii},
     title = {Principal singularities of the $S$ matrix for a~system of one-dimensional particles},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {266--277},
     publisher = {mathdoc},
     volume = {70},
     number = {2},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1987_70_2_a10/}
}