Jozef Sirán, Martin Skoviera. Quotients of connected regular graphs of even degree. Journal of Combinatorial Theory, Series A, 38(3):214-225, 1985. [doi]
@article{SiranS85, title = {Quotients of connected regular graphs of even degree}, author = {Jozef Sirán and Martin Skoviera}, year = {1985}, doi = {10.1016/0095-8956(85)90067-X}, url = {http://dx.doi.org/10.1016/0095-8956(85)90067-X}, tags = {graph-rewriting, rewriting}, researchr = {https://researchr.org/publication/SiranS85}, cites = {0}, citedby = {0}, journal = {Journal of Combinatorial Theory, Series A}, volume = {38}, number = {3}, pages = {214-225}, }