2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/58234We prove the existence of static, spherically symmetric solutions of the stellar dynamic Vlasov-Poisson and Vlasov-Einstein systems, which have the property that their spatial support is a finite, spherically symmetric shell with a vacuum region at the center.14 pages, LaTeXMathematical PhysicsAnalysis of PDEs85A05;35Q75text