@article{1136902603, author = {Aguglia, A. and Korchm\'aros, G. and Siciliano, A.}, title = {Minimal covering of all chords of a conic in $PG(2,q)$, $q$ even}, journal = {Bull. Belg. Math. Soc. Simon Stevin}, volume = {12}, number = {5}, year = {2006}, pages = { 651-655}, language = {en}, url = {http://dml.mathdoc.fr/item/1136902603} }
Aguglia, A.; Korchmáros, G.; Siciliano, A. Minimal covering of all chords of a conic in $PG(2,q)$, $q$ even. Bull. Belg. Math. Soc. Simon Stevin, Tome 12 (2006) no. 5, pp. 651-655. http://gdmltest.u-ga.fr/item/1136902603/