%0 Journal Article %A M. I. Gordin %T Double extensions of dynamical systems and a construction of mixing filtrations %J Zapiski Nauchnykh Seminarov POMI %D 1997 %P 61-72 %V 244 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1997_244_a3/ %G ru %F ZNSL_1997_244_a3