@article{10_1017_S0017089500003323,
     author = {Irving, Robert W.},
     title = {A bipartite {Ramsey} problem and the {Zarankiewicz} numbers},
     journal = {Glasgow mathematical journal},
     pages = {13--26},
     year = {1978},
     volume = {19},
     number = {1},
     doi = {10.1017/S0017089500003323},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500003323/}
}