@article{10_37236_1175,
     author = {P. E. Haxell and A. D. Scott},
     title = {On {Ryser's} conjecture},
     journal = {The electronic journal of combinatorics},
     year = {2012},
     volume = {19},
     number = {1},
     doi = {10.37236/1175},
     zbl = {1243.05198},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1175/}
}