TY - JOUR AU - Mendoza Casas, José PY - 1989 SN - 0343-6993 UR - https://hdl.handle.net/20.500.14352/57652 T2 - The Mathematical intelligencer M2 - 4 PB - Springer-Verlag TI - Twentieth-century mathematics: A methodological question. TY - journal article VL - 21 ER -