@article{DE_1998_34_10_a2,
     author = {A. N. Vetokhin},
     title = {The {Baire} class of maximal lower semicontinuous minorants of {Lyapunov} exponents},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1313--1317},
     publisher = {mathdoc},
     volume = {34},
     number = {10},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1998_34_10_a2/}
}