@article{SM_2017_208_5_a1,
     author = {V. V. Bykov},
     title = {Baire classes of {Lyapunov} invariants},
     journal = {Sbornik. Mathematics},
     pages = {620--643},
     publisher = {mathdoc},
     volume = {208},
     number = {5},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2017_208_5_a1/}
}