@article{DMGT_1999_19_2_a1,
     author = {Bielak, Halina},
     title = {A note on the {Ramsey} number and the planar {Ramsey} number for {C₄} and complete graphs},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {135--142},
     publisher = {mathdoc},
     volume = {19},
     number = {2},
     year = {1999},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_1999_19_2_a1/}
}