@article{10_37236_104,
     author = {E. R. Vaughan},
     title = {The complexity of constructing gerechte designs},
     journal = {The electronic journal of combinatorics},
     year = {2009},
     volume = {16},
     number = {1},
     doi = {10.37236/104},
     zbl = {1159.05010},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/104/}
}