@article{TMF_1994_99_3_a20,
     author = {A. Pickering},
     title = {Integrable hierarchies: {Painlev\'e} indices and compatibility conditions},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {509--516},
     publisher = {mathdoc},
     volume = {99},
     number = {3},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1994_99_3_a20/}
}