%0 Journal Article %A Claudemir Alcantara %A Edgard Pimentel %A José Miguel Urbano %T Hessian regularity in Hölder spaces for a semi-linear bi-Laplacian equation %J Comptes Rendus. Mathématique %D 2025 %P 533-539 %V 363 %I Académie des sciences, Paris %R 10.5802/crmath.737 %G en %F CRMATH_2025__363_G5_533_0