A new proof of the Riemann-Poincaré uniformization theorem. Solanilla, Leonardo — 2007 Balkan Journal of Geometry and its Applications (BJGA)
“Strong” extrema of functionals defined on Riemannian 2-manifolds. Solanilla, Leonardo; López, Luis F.; Bustos, Jorge L. — 2004 Balkan Journal of Geometry and its Applications (BJGA)