@article{10_21136_CMJ_1976_101401,
     author = {Entringer, Roger C. and Jackson, D. E. and Snyder, D. A.},
     title = {Distance in graphs},
     journal = {Czechoslovak Mathematical Journal},
     pages = {283--296},
     publisher = {mathdoc},
     volume = {26},
     number = {2},
     year = {1976},
     doi = {10.21136/CMJ.1976.101401},
     mrnumber = {0543771},
     zbl = {0329.05112},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1976.101401/}
}