%0 Journal Article %A Kuznetsov, Sergei E. %T On the existence of a dual semigroup %J Séminaire de probabilités de Strasbourg %D 1992 %P 473-484 %V 26 %I Springer - Lecture Notes in Mathematics %U http://www.numdam.org/item/SPS_1992__26__473_0/ %G en %F SPS_1992__26__473_0