@article{DOCMA_2012__S3__a34,
     author = {Gr\"otschel, Martin and Yuan, Ya-Xiang},
     title = {Euler, {Mei-ko} {Kwan,} {K\"onigsberg,} and a {Chinese} postman},
     journal = {Documenta mathematica},
     pages = {43--50},
     publisher = {mathdoc},
     volume = {Optimization Stories},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DOCMA_2012__S3__a34/}
}