Jack Edmonds, Ellis L. Johnson. Matching, Euler tours and the Chinese postman. Math. Program., 5(1):88-124, 1973. [doi]
@article{EdmondsJ73,
title = {Matching, Euler tours and the Chinese postman},
author = {Jack Edmonds and Ellis L. Johnson},
year = {1973},
doi = {10.1007/BF01580113},
url = {http://dx.doi.org/10.1007/BF01580113},
researchr = {https://researchr.org/publication/EdmondsJ73},
cites = {0},
citedby = {0},
journal = {Math. Program.},
volume = {5},
number = {1},
pages = {88-124},
}