2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/61271The purpose of this short note is to relate a representation formula due to the Author and P. Romon for Lagrangian surfaces (see math.DG/0009202) to a more general Weierstrass representation type formula found by Konopelchenko for surfaces in 4-dimensional space (see math.DG/9807129). Simplifications are pointed out.4 pagesDifferential GeometryAnalysis of PDEs53C42; 53D12; 49Q10; 53A04text