@article{TMF_2006_149_1_a2,
     author = {V. E. Adler and A. B. Shabat},
     title = {Dressing chain for the~acoustic spectral problem},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {32--46},
     year = {2006},
     volume = {149},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2006_149_1_a2/}
}