Incomplete (rq-q+r- ɛ , r)-arcs and minimal {ℓ,t}-Blocking set in PG(2,q). RJCSM [Internet]. 2014 Jun. 15 [cited 2026 Jun. 25];11(1):43-60. Available from: https://csmj.uomosul.edu.iq/index.php/csmj/article/view/36426