Explicit geodesic flow-invariant distributions using SL2(ℝ)-representation ladders. - Alvaro Alvarez-Parrilla (Int. J. Math. Math. Sci., 2005)

On Solving Systems of Autonomous Ordinary Differential Equations by Reduction to a Variable of an Algebra. - Alvaro Alvarez-Parrilla; Martín Eduardo Frías-Armenta; Elifalet López-González; Carlos Yee-Romero (Int. J. Math. Math. Sci., 2012)