@article{TMF_2021_208_1_a2,
     author = {Dianlou Du and Yuanyuan Lui and Xue Wang},
     title = {Integrable symplectic maps via reduction of {B\"{a}cklund} transformation},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {39--50},
     publisher = {mathdoc},
     volume = {208},
     number = {1},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2021_208_1_a2/}
}