%0 Journal Article %T A Characterization of Block-Graphs %J Canadian mathematical bulletin %D 1963 %P 1-6 %V 6 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1963-001-x/ %R 10.4153/CMB-1963-001-x %F 10_4153_CMB_1963_001_x