Bill Jackson. Shortest Circuit Covers and Postman Tours in Graphs with a Nowhere Zero 4-Flow. SIAM Journal on Computing, 19(4):659-665, 1990.
@article{Jackson90:0, title = {Shortest Circuit Covers and Postman Tours in Graphs with a Nowhere Zero 4-Flow}, author = {Bill Jackson}, year = {1990}, tags = {graph-rewriting, rewriting}, researchr = {https://researchr.org/publication/Jackson90%3A0}, cites = {0}, citedby = {0}, journal = {SIAM Journal on Computing}, volume = {19}, number = {4}, pages = {659-665}, }