2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/119467We study a system of partial differential equations defined by commuting family of differential operators with regular singularities. We construct ideally analytic solutions depending on a holomorphic parameter. We give some explicit examples of differential operators related to $SL(n,\mathbb R)$ and completely integrable quantum systems.24 pagesAnalysis of PDEsRepresentation Theory35G05; 16S32: 16S30; 70H06text