@article{TMF_2004_141_2_a5,
     author = {A. K. Svinin},
     title = {Invariant {Submanifolds} of the {Darboux{\textendash}Kadomtsev{\textendash}Petviashvili} {Chain} and {an~Extension} of the {Discrete} {Kadomtsev{\textendash}Petviashvili} {Hierarchy}},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {243--266},
     year = {2004},
     volume = {141},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2004_141_2_a5/}
}