2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/55908In this paper the $Guler's$ formalism for the systems with finite degrees of freedom is applied to the field theories with constraints. The integrability conditions are investigated and the path integral quantization is performed using the action given by Hamilton-Jacobi formulation. The Proca's model is investigated in details.7 pages LaTeX, corrected typosHigh Energy Physics - Theorytext