TY - JOUR AU - M. I. Gordin TI - Double extensions of dynamical systems and a construction of mixing filtrations.~II. Quasihyperbolic JO - Zapiski Nauchnykh Seminarov POMI PY - 1999 SP - 103 EP - 118 VL - 260 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1999_260_a6/ LA - ru ID - ZNSL_1999_260_a6 ER -