2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/57780This paper has been withdrawn by the author due to a crucial error in formula 4.12.rThis paper has been withdrawnMathematical Physics70S05 (Primary); 70S10 (Secondary)Cohomology groups for Lagrange complexes that are invariant under a pseudogroup of local transformationstext