@article{ZR_2009_13_21_a3,
     author = {Snje\v{z}ana Majstorovi\'c and Antoaneta Klobu\v{c}ar and Ivan Gutman},
     title = {Selected {Topics} from the {Theory} of {Graph} {Energy:} {Hypoenergetic} {Graph}},
     journal = {Zbornik radova},
     pages = {65 },
     publisher = {mathdoc},
     volume = {13},
     number = {21},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZR_2009_13_21_a3/}
}