András Hajnal. The chromatic number of the product of two Alef ::i:: - Chromatic Graphs can be countable. Combinatorica, 5(2):137-139, 1985.
@article{Hajnal85, title = {The chromatic number of the product of two Alef ::i:: - Chromatic Graphs can be countable}, author = {András Hajnal}, year = {1985}, tags = {graph-rewriting, rewriting}, researchr = {https://researchr.org/publication/Hajnal85}, cites = {0}, citedby = {0}, journal = {Combinatorica}, volume = {5}, number = {2}, pages = {137-139}, }