@article{DMGT_2006_26_2_a1,
     author = {Palka, Zbigniew and Sperling, Monika},
     title = {In-degree sequence in a general model of a random digraph},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {193--207},
     publisher = {mathdoc},
     volume = {26},
     number = {2},
     year = {2006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2006_26_2_a1/}
}