%0 Journal Article %A TorgaĊĦev, Aleksandar %T Graphs whose energy does not exceed 3 %J Czechoslovak Mathematical Journal %D 1986 %P 167-171 %V 36 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1986.102079/ %R 10.21136/CMJ.1986.102079 %G en %F 10_21136_CMJ_1986_102079