@article{10_37236_3810,
     author = {Andries E. Brouwer and Rod Gow and John Sheekey},
     title = {Counting symmetric nilpotent matrices},
     journal = {The electronic journal of combinatorics},
     year = {2014},
     volume = {21},
     number = {2},
     doi = {10.37236/3810},
     zbl = {1297.15020},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/3810/}
}