Baleanu, DumitruLopes, António Mendes2026-04-032026-04-03201997831105719299783110570922https://hdl.handle.net/20.500.12416/16040https://doi.org/10.1515/9783110571929-201eninfo:eu-repo/semantics/closedAccessEditorial10.1515/9783110571929-2012-s2.0-85096739513