%0 Journal Article %A K. E. Shiryaev %T Central exponent of a system with unbounded coefficients %J Trudy Seminara im. I.G. Petrovskogo %D 2014 %P 351-352 %V 30 %N 30 %U http://geodesic.mathdoc.fr/item/TSP_2014_30_30_a17/ %G ru %F TSP_2014_30_30_a17