TY  - JOUR
AU  - Sols Lucía, Ignacio
AU  - Giraldo Suárez, Luis
PY  - 1998
SN  - 0010-0757
UR  - https://hdl.handle.net/20.500.14352/58402
T2  - Collectanea mathematica
AB  - In this paper the authors determine which pairs of integers (d,q)  appear as the degree and the irregularity of a ruled surface S  in P 3  . The proof is based on the study of the base   curve C  of S  in the  Grassmannian G(1,3) ⊂P 5  : according  ...
LA  - eng
M2  - 325
PB  - Springer
TI  - The irregularity of ruled surfaces in P 3
TY  - journal article
VL  - 49
ER  -