2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/139615We describe 4th order ODEs satisfying two contact invariant conditions of Bryant in terms of the Ricci tensor of a certain gl(2,R) valued connection. We also provide nonhomogeneous examples of such ODEs.Differential Geometry53A40, 53B05, 34C30, 34C31text