%0 Journal Article %A De Gosson, Maurice %T On the classical and quantum evolution of lagrangian half-forms in phase space %J Annales de l'I.H.P. Physique théorique %D 1999 %P 547-573 %V 70 %N 6 %I Gauthier-Villars %U http://archive.numdam.org/item/AIHPA_1999__70_6_547_0/ %G en %F AIHPA_1999__70_6_547_0