2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/76643We give a normal form for families of 3-dimensional Poisson structures. This allows us to classify singularities with nonzero 1-jet and typical bifurcations. The Appendix contains corollaries on classification of families of integrable 1-forms on $R^3TEX file, 19 pagesDifferential Geometrytext