%0 Journal Article %A Gérard Montseny %T Diffusive representation of pseudo-differential time-operators %J ESAIM. Proceedings %D 1998 %P 159-175 %V 5 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1051/proc:1998005/ %R 10.1051/proc:1998005 %G en %F EP_1998_5_a13