@article{MZM_2008_84_4_a16,
     author = {R. K. Romanovskii and L. V. Bel'gart},
     title = {Exponential {Dichotomy} of {Linear} {Difference} {Systems} with {Almost} {Periodic} {Matrix}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {638--640},
     publisher = {mathdoc},
     volume = {84},
     number = {4},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2008_84_4_a16/}
}