doi:10.1007/s10509-024-04286-7engElipe, AntonioWrong hypotheses in the generalized RTBPART-2024-137636Generalized restricted three body problems consist of adding some extra hypotheses to the Restricted three body problem (RTBP) in order to have a new problem, not very different of the original RTBP. However, not any additional hypothesis is allowed; it must satisfy the laws of Physics. Among the several generalizations found in literature, we prove that at least there are two hypotheses that cannot be used, namely: 1) Perturbation in Coriolis and/or centrifugal forces, and 2) primaries are spheroids moving on elliptical orbits.2024http://zaguan.unizar.es/record/13243210.1007/s10509-024-04286-7http://zaguan.unizar.es/record/132432oai:zaguan.unizar.es:132432info:eu-repo/grantAgreement/ES/DGA/E24-23Rinfo:eu-repo/grantAgreement/ES/MICINN/PID2020-117066GB-I00ASTROPHYSICS AND SPACE SCIENCE 369, 22 (2024), 2-7byhttps://creativecommons.org/licenses/by/4.0/deed.esinfo:eu-repo/semantics/openAccess