De Bruyn, Bart; Sahoo, Binod Kumar; Sahu, Bikramaditya Blocking sets of tangent and external lines to a hyperbolic quadric in \(\mathrm{PG}(3, q)\). (English) Zbl 1398.51006 Discrete Math. 341, No. 10, 2820-2826 (2018). Reviewer: Geertrui Van de Voorde (Gent) MSC: 51E21 PDFBibTeX XMLCite \textit{B. De Bruyn} et al., Discrete Math. 341, No. 10, 2820--2826 (2018; Zbl 1398.51006) Full Text: DOI
Biondi, P.; Lo Re, P. M. L.; Storme, L. On minimum size blocking sets of external lines to a quadric in \(\text{PG}(3, q)\). (English) Zbl 1121.51006 Beitr. Algebra Geom. 48, No. 1, 209-215 (2007). Reviewer: Corrado Zanella (Padova) MSC: 51E21 PDFBibTeX XMLCite \textit{P. Biondi} et al., Beitr. Algebra Geom. 48, No. 1, 209--215 (2007; Zbl 1121.51006) Full Text: EuDML EMIS