@article{TMF_1982_50_1_a8,
     author = {V. Ya. Krivnov and A. A. Ovchinnikov},
     title = {An~exactly solvable one-dimensional problem with several particle species},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {155--160},
     publisher = {mathdoc},
     volume = {50},
     number = {1},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1982_50_1_a8/}
}