@article{PIM_2011_N_S_89_103_a0,
     author = {Zoran Pucanovi\'c and Zoran Petrovi\'c},
     title = {On the {Radius} and the {Relation}  {Between} the {Total} {Graph} of a {Commutative} {Ring} and {Its} {Extensions}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {1 },
     publisher = {mathdoc},
     volume = {_N_S_89},
     number = {103},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PIM_2011_N_S_89_103_a0/}
}