@article{GMJ_2002__9_4_51606, author = {Barr, Michael}, title = {A duality on simplicial complexes.}, journal = {Georgian Mathematical Journal}, pages = {601--605}, publisher = {mathdoc}, volume = {9}, number = {4}, year = {2002}, zbl = {1070.55501}, language = {en}, url = {http://geodesic.mathdoc.fr/item/GMJ_2002__9_4_51606/} }