%0 Journal Article %A A. M. Vershik %A N. V. Tsilevich %T Fock factorizations, and decompositions of the $L^2$ spaces over general L\'evy processes %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2003 %P 427-472 %V 58 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_2003_58_3_a0/ %G en %F RM_2003_58_3_a0