@article{10_4153_CMB_2011_107_3,
     author = {LaGrange, John D.},
     title = {Characterizations of {Three} {Classes} of {Zero-Divisor} {Graphs}},
     journal = {Canadian mathematical bulletin},
     pages = {127--137},
     year = {2012},
     volume = {55},
     number = {1},
     doi = {10.4153/CMB-2011-107-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2011-107-3/}
}