TY - JOUR AU - M. I. Gordin TI - Extensions of dynamical systems and martingale approximation method JO - Zapiski Nauchnykh Seminarov POMI PY - 1994 SP - 10 EP - 19 VL - 216 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1994_216_a1/ LA - ru ID - ZNSL_1994_216_a1 ER -