RT Journal Article T1 Ramification and units of the cubic number field Q (zeta) generated by a root of X3+abX+b=0 A1 Delgado Pérez, Juan Ramón PB Universidad de Extremadura YR 1987 FD 1987 LK https://hdl.handle.net/20.500.14352/87585 UL https://hdl.handle.net/20.500.14352/87585 LA eng DS Docta Complutense RD 6 abr 2025