2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/219182Three static models with two interacting phantom and ghost scalar fields were considered: a model of a traversable wormhole, a brane-like model and a spherically symmetric problem. It was shown numerically that regular solutions exist for all three cases.final versionGeneral Relativity and Quantum Cosmologytext