2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/78045The author tries to derive the asymptotic expression of the large eigevalues of some vectorial Sturm-Liouville differential equations. A precise description for the formula of the square root of the large eiegnvalues up to the $O(1/n)$-term is obtained.12 pages, latex, no figuresSpectral Theorytext