@article{TM_1997_216_a14,
     author = {N. D. Cong and V. I. Oseledets},
     title = {Topological invariants of linear cocycles of an ergodic map},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {243--256},
     publisher = {mathdoc},
     volume = {216},
     year = {1997},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TM_1997_216_a14/}
}