@article{JGG_2005_9_2_JGG_2005_9_2_a3,
     author = {P. Yiu },
     title = {On {Emelyanov's} {Circle} {Theorem}},
     journal = {Journal for geometry and graphics},
     pages = {155--167},
     publisher = {mathdoc},
     volume = {9},
     number = {2},
     year = {2005},
     url = {http://geodesic.mathdoc.fr/item/JGG_2005_9_2_JGG_2005_9_2_a3/}
}