@article{SMJ2_2004_30_4_a4,
     author = {Aryal, Gokarna and Nadarajah, Saralees},
     title = {Information {Matrix} for {Beta} {Distributions}},
     journal = {Serdica Mathematical Journal},
     pages = {513--526},
     year = {2004},
     volume = {30},
     number = {4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SMJ2_2004_30_4_a4/}
}