@article{00650821, title = {A proof of some Sch\"utzenberger-type results for Eulerian paths and circuits on digraphs.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {17}, year = {1994}, pages = {497-502}, doi = {10.1155/S0161171294000736}, zbl = {0808.05053}, language = {en}, url = {http://dml.mathdoc.fr/item/00650821} }
Chwe, Byoung-Song. A proof of some Schützenberger-type results for Eulerian paths and circuits on digraphs.. International Journal of Mathematics and Mathematical Sciences, Tome 17 (1994) pp. 497-502. doi : 10.1155/S0161171294000736. http://gdmltest.u-ga.fr/item/00650821/