Alexander Schrijver. Bounds on the number of Eulerian orientations. Combinatorica, 3(3):375-380, 1983.
@article{Schrijver83, title = {Bounds on the number of Eulerian orientations}, author = {Alexander Schrijver}, year = {1983}, researchr = {https://researchr.org/publication/Schrijver83}, cites = {0}, citedby = {0}, journal = {Combinatorica}, volume = {3}, number = {3}, pages = {375-380}, }