@article{MPS11,
	Author = {M{{\"u}}ller, T. and P{{\'o}}r, A. and Sereni, J.-S.},
	Date-Added = {2012-04-06 15:05:39 +0000},
	Date-Modified = {2012-04-07 13:10:17 +0000},
	Fjournal = {Electronic Journal of Combinatorics},
	Issn = {1077-8926},
	Journal = {Electron. J. Combin.},
	Mrclass = {05C75 (05C12)},
	Number = {1},
	Pages = {Paper 11, 18},
	Title = {Graphs with four boundary vertices},
	Volume = {18},
	Year = {2011}}