RAFAEL MARÍA RUBIO RUIZ2026-01-292026-01-29201710.1007/978-3-319-66290-9_122-s2.0-85043981747https://www.scopus.com/inward/record.uri?eid=2-s2.https://ucocris.uco.es/handle/123456789/28990Mathematics (all)Mathematics (all)Calabi–Bernstein-type problems in Lorentzian geometryconference paper