2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/96717Using Bessel-Muirhead system, we can express the K-bessel function defined on a Jordan algebra as linear combination of the J-solutions. We determine explicitly the coefficients when the rank of this Jordan algebra is three after a reduction to the rank two. The main tools are some algebraic identities developed for the occasion.Classical Analysis and ODEsAnalysis of PDEs33C20; 33C50; 33C70; 33C80text