@article{DMGT_2001_21_1_a0,
     author = {Bresar, Bostjan},
     title = {On {Vizing's} conjecture},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {5--11},
     publisher = {mathdoc},
     volume = {21},
     number = {1},
     year = {2001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2001_21_1_a0/}
}