2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/209844The problem of local feedback equivalence for 1-dimensional control systems of the 1-st order is considered. The algebra of differential invariants and criteria for the feedback equivalence for regular control systems are found.12pagesDifferential Geometry93B29;58H05Feedback Equivalence of 1-dimensional Control Systems of the 1-st Ordertext