@article{10_21136_CPM_1986_118290,
     author = {Bal\'a\v{z}, Vladim{\'\i}r and Ko\v{c}a, Jaroslav and Kvasni\v{c}ka, Vladim{\'\i}r and Sekanina, Milan},
     title = {A metric for graphs},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {431--433},
     publisher = {mathdoc},
     volume = {111},
     number = {4},
     year = {1986},
     doi = {10.21136/CPM.1986.118290},
     mrnumber = {871718},
     zbl = {0611.05054},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1986.118290/}
}