@article{TMF_1979_41_2_a6,
     author = {I. V. Cherednik},
     title = {Conservation laws and elements of scattering theory for principal chiral fields ($d=1$)},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {236--244},
     publisher = {mathdoc},
     volume = {41},
     number = {2},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1979_41_2_a6/}
}