@article{MZM_1984_36_3_a3,
     author = {M. I. Rakhimberdiev},
     title = {Lyapunov exponents of linear extensions of a dynamic system on a torus},
     journal = {Matemati\v{c}eskie zametki},
     pages = {309--317},
     publisher = {mathdoc},
     volume = {36},
     number = {3},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1984_36_3_a3/}
}