%0 Journal Article %A Zelinka, Bohdan %T Geodetic graphs of diameter two %J Czechoslovak Mathematical Journal %D 1975 %P 148-153 %V 25 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1975.101300/ %R 10.21136/CMJ.1975.101300 %G en %F 10_21136_CMJ_1975_101300