V. Corro, Armando M., Carlos M. C. Riveros, and Raquel P. de Aráujo. 2025. “Surfaces With Mean of the Hyperbolic Curvature Radii of Double Harmonic Type”. Selecciones Matemáticas 12 (01):33 - 43. https://doi.org/10.17268/sel.mat.2025.01.03.