W. BarretoL. R. Flores CastilloE Martinez Barrios2026-03-222026-03-22201010.1007/s10714-010-0954-zhttps://doi.org/10.1007/s10714-010-0954-zhttps://andeanlibrary.org/handle/123456789/53915Citaciones: 8enPhysicsSchwarzschild radiusScalar fieldSchwarzschild metricClassical mechanicsScalar (mathematics)Boundary value problemGeneral relativityMathematical physicsBondian frames to couple matter with radiationarticle