2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/55661A c-number path integral representation is constructed for the solution of the Dirac equation. The integration is over the real trajectories in the continuous three-space and other two canonical pairs of compact variables controlling the spin and the chirality flips.5 pages, revtex. Argument extended, several equations corrected, more references addedHigh Energy Physics - TheoryQuantum Physicstext