Thomas Zaslavsky. Biased graphs. I. Bias, balance, and gains. Journal of Combinatorial Theory, Series A, 47(1):32-52, 1989. [doi]
@article{Zaslavsky89, title = {Biased graphs. I. Bias, balance, and gains}, author = {Thomas Zaslavsky}, year = {1989}, doi = {10.1016/0095-8956(89)90063-4}, url = {http://dx.doi.org/10.1016/0095-8956(89)90063-4}, tags = {graph-rewriting, rewriting}, researchr = {https://researchr.org/publication/Zaslavsky89}, cites = {0}, citedby = {0}, journal = {Journal of Combinatorial Theory, Series A}, volume = {47}, number = {1}, pages = {32-52}, }