@unpublished{Murr2011, author = {R{\"u}diger Murr}, title = {Characterization of L{\´e}vy Processes by a duality formula and related results}, institution = {Institut f{\"u}r Mathematik}, series = {Mathematische Statistik und Wahrscheinlichkeitstheorie : Preprint}, number = {2011, 02}, year = {2011}, }