Bibtex of Graph / Tour

@article{Saruwatari1993, 
     author = "Saruwatari, Yasufumi and Matsui, Tomomi", 
     doi = "10.1137/0803037", 
     issn = "1052-6234", 
     journal = "SIAM Journal on Optimization", 
     link = "http://epubs.siam.org/doi/abs/10.1137/0803037", 
     number = "4", 
     pages = "726--733", 
     title = "A Note on \$K\$-Best Solutions to the Chinese Postman Problem", 
     uri = "http://epubs.siam.org/doi/abs/10.1137/0803037", 
     volume = "3", 
     year = "1993", 
}