@article{JGG_2004_8_1_JGG_2004_8_1_a1,
     author = {M. Hajja },
     title = {An {Elementary} {Proof} of "the {Most} {Elementary} {Theorem"} of {Euclidean} {Geometry}},
     journal = {Journal for geometry and graphics},
     pages = {17--22},
     publisher = {mathdoc},
     volume = {8},
     number = {1},
     year = {2004},
     url = {http://geodesic.mathdoc.fr/item/JGG_2004_8_1_JGG_2004_8_1_a1/}
}