RT Journal Article T1 Twentieth-century mathematics: A methodological question. A1 Mendoza Casas, José PB Springer-Verlag SN 0343-6993 YR 1989 FD 1989-09 LK https://hdl.handle.net/20.500.14352/57652 UL https://hdl.handle.net/20.500.14352/57652 DS Docta Complutense RD 7 abr 2025