@article{TMF_2003_136_2_a1,
     author = {A. B. Shabat},
     title = {Universal {Models} of {Soliton} {Hierarchies}},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {197--208},
     publisher = {mathdoc},
     volume = {136},
     number = {2},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2003_136_2_a1/}
}