@article{TMF_2014_181_1_a8,
     author = {M. A. Semenov-Tian-Shansky},
     title = {Lax operators, {Poisson} groups, and the~differential {Galois} theory},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {173--199},
     publisher = {mathdoc},
     volume = {181},
     number = {1},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2014_181_1_a8/}
}