@article{TMF_2015_185_2_a3,
     author = {Chuanzhong Li and Jingsong He},
     title = {The~extended $Z_N${-Toda} hierarchy},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {289--312},
     publisher = {mathdoc},
     volume = {185},
     number = {2},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2015_185_2_a3/}
}