@article{10_37236_1542, author = {W. Edwin Clark and Stephen Suen}, title = {An inequality related to {Vizing's} conjecture}, journal = {The electronic journal of combinatorics}, year = {2000}, volume = {7}, doi = {10.37236/1542}, zbl = {0947.05056}, url = {http://geodesic.mathdoc.fr/articles/10.37236/1542/} }