@article{TMF_2018_196_3_a6,
     author = {A. G. Rasin and J. Schiff},
     title = {Unfamiliar aspects of {B\"acklund} transformations and an~associated {Degasperis{\textendash}Procesi} equation},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {449--464},
     year = {2018},
     volume = {196},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2018_196_3_a6/}
}