2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/56553Cohomology of the variational bicomplex in the calculus of variations in classical field theory are computed in the class of exteriror forms of finite jet order. This provides a solution of the global inverse problem of the finite order calculus of variations.21 pagesMathematical PhysicsAlgebraic Topology58A20; 58E30; 55N30text