@article{05541080, title = {The complexity of constructing gerechte designs.}, journal = {The Electronic Journal of Combinatorics [electronic only]}, volume = {16}, year = {2009}, zbl = {1159.05010}, language = {en}, url = {http://dml.mathdoc.fr/item/05541080} }
Vaughan, E.R. The complexity of constructing gerechte designs.. The Electronic Journal of Combinatorics [electronic only], Tome 16 (2009) . http://gdmltest.u-ga.fr/item/05541080/