@article{10_37236_5717,
     author = {Jan De Beule and Tam\'as H\'eger and Tam\'as Sz\H{o}nyi and Geertrui Van de Voorde},
     title = {Blocking and double blocking sets in finite planes},
     journal = {The electronic journal of combinatorics},
     year = {2016},
     volume = {23},
     number = {2},
     doi = {10.37236/5717},
     zbl = {1338.51008},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/5717/}
}