@article{VMUMM_2003_1_a8,
     author = {V. V. Bykov and E. E. Salov},
     title = {The {Baire} class of minorants of {Lyapunov} exponents},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {33--40},
     publisher = {mathdoc},
     number = {1},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2003_1_a8/}
}