TY - JOUR AU - K. E. Shiryaev TI - Central exponent of a system with unbounded coefficients JO - Trudy Seminara im. I.G. Petrovskogo PY - 2014 SP - 351 EP - 352 VL - 30 IS - 30 UR - http://geodesic.mathdoc.fr/item/TSP_2014_30_30_a17/ LA - ru ID - TSP_2014_30_30_a17 ER -