@article{SJC_2012_6_3_a0,
     author = {Hamada, Noboru and Maruta, Tatsuya and Oya, Yusuke},
     title = {A {Necessary} and {Sufficient} {Condition} for the {Existence} of an (n,r)-arc in {PG(2,q)} and {Its} {Applications}},
     journal = {Serdica Journal of Computing},
     pages = {253--266},
     publisher = {mathdoc},
     volume = {6},
     number = {3},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SJC_2012_6_3_a0/}
}