@article{AM2_1992__43_1_137442, author = {Geoff Whittle}, title = {A geometric theory of hypergraph colouring.}, journal = {Aequationes mathematicae}, pages = {45--58}, publisher = {mathdoc}, volume = {43}, number = {1}, year = {1992}, zbl = {0768.05026}, url = {http://geodesic.mathdoc.fr/item/AM2_1992__43_1_137442/} }