2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/93625The complex exponential weighting of Feynman formalism is seen to happen at the classical level. (Finiteness of) Feynman path integral formula is suspected then to appear as a consistency condition for the existence of certain Dirac measures over functional spaces.3 pages, LaTeXQuantum Physicstext