@article{VMUMM_2018_1_a9,
     author = {A. N. Vetokhin},
     title = {Semicontinuity of majorants and minorants of {Lyapunov} exponents as functions of a complex parameter},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {63--67},
     publisher = {mathdoc},
     number = {1},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2018_1_a9/}
}