@article{01985397, title = {The chess conjecture.}, journal = {Geometry \& Topology}, volume = {7}, year = {2003}, pages = {777-789}, doi = {10.2140/agt.2003.3.777}, zbl = {1036.57012}, language = {en}, url = {http://dml.mathdoc.fr/item/01985397} }
Sadykov, Rustam. The chess conjecture.. Geometry & Topology, Tome 7 (2003) pp. 777-789. doi : 10.2140/agt.2003.3.777. http://gdmltest.u-ga.fr/item/01985397/