@article{JAC_2011__33_3_a4,
     author = {Donati, Giorgio and Durante, Nicola},
     title = {Group theoretic characterizations of {Buekenhout-Metz} unitals in {PG}$(2,q^{2})$},
     journal = {Journal of Algebraic Combinatorics},
     pages = {401--407},
     publisher = {mathdoc},
     volume = {33},
     number = {3},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JAC_2011__33_3_a4/}
}