@article{10_21136_CPM_1975_117890,
     author = {Zelinka, Bohdan},
     title = {On a certain distance between isomorphism classes of graphs},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {371--373},
     year = {1975},
     volume = {100},
     number = {4},
     doi = {10.21136/CPM.1975.117890},
     mrnumber = {0416995},
     zbl = {0312.05121},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1975.117890/}
}