@article{10_37236_2102,
     author = {Geoffrey Exoo},
     title = {On the {Ramsey} number {\(R(4,6)\)}},
     journal = {The electronic journal of combinatorics},
     year = {2012},
     volume = {19},
     number = {1},
     doi = {10.37236/2102},
     zbl = {1243.05158},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/2102/}
}