@article{TMF_1990_84_1_a5,
     author = {V. D. Lipovskii and A. V. Shirokov},
     title = {$2+1${~Toda} chain.
},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {64--78},
     publisher = {mathdoc},
     volume = {84},
     number = {1},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1990_84_1_a5/}
}