@article{JGG_2003_7_1_JGG_2003_7_1_a1,
     author = {H. Dirnb�ck and J. Schoi�engeier},
     title = {Curves related to triangles: {The} {Balaton-Curves}},
     journal = {Journal for geometry and graphics},
     pages = {023--04},
     publisher = {mathdoc},
     volume = {7},
     number = {1},
     year = {2003},
     url = {http://geodesic.mathdoc.fr/item/JGG_2003_7_1_JGG_2003_7_1_a1/}
}