%0 Journal Article %A Zelinka, Bohdan %T On a certain distance between isomorphism classes of graphs %J Časopis pro pěstování matematiky %D 1975 %P 371-373 %V 100 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CPM.1975.117890/ %R 10.21136/CPM.1975.117890 %G en %F 10_21136_CPM_1975_117890