%0 Journal Article
%A Almond, D. J.
%T Time operators, position operators, dilatation transformations and virtual particles in relativistic and nonrelativistic quantum mechanics
%J Annales de l'institut Henri Poincaré. Section A, Physique Théorique
%D 1973
%P 105-169
%V 19
%N 2
%I Gauthier-Villars
%U http://www.numdam.org/item/AIHPA_1973__19_2_105_0/
%G en
%F AIHPA_1973__19_2_105_0