@article{TMF_2007_152_1_a5,
     author = {A. Dimakis and F. M\"uller-Hoissen},
     title = {Burgers and {Kadomtsev--Petviashvili} hierarchies: {A~functional
}},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {66--82},
     publisher = {mathdoc},
     volume = {152},
     number = {1},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2007_152_1_a5/}
}