RT Journal Article T1 Higher Syzygies of Elliptic Ruled Surfaces A1 Gallego Rodrigo, Francisco Javier A1 Purnaprajna, B. P. PB Academic Press SN 0021-8693 YR 1996 FD 1996 LK https://hdl.handle.net/20.500.14352/57300 UL https://hdl.handle.net/20.500.14352/57300 LA eng NO DGICYT DS Docta Complutense RD 10 abr 2025