%0 Journal Article %A Snježana Majstorović %A Antoaneta Klobučar %A Ivan Gutman %T Selected Topics from the Theory of Graph Energy: Hypoenergetic Graph %J Zbornik radova %D 2009 %P 65 %V 13 %N 21 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZR_2009_13_21_a3/ %G en %F ZR_2009_13_21_a3