%0 Journal Article %A Yu. A. Neretin %T Fractional diffusions and quasi-invariant actions of infinite-dimensional groups %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1997 %P 135-181 %V 217 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1997_217_a2/ %G ru %F TM_1997_217_a2