@article{JGG_2014_18_1_JGG_2014_18_1_a5,
     author = {V. Oxman and M. Stupel and A. Sigler },
     title = {Geometric {Constructions} for {Geometric} {Optics} {Using} a {Straightedge} {Only}},
     journal = {Journal for geometry and graphics},
     pages = {73--79},
     publisher = {mathdoc},
     volume = {18},
     number = {1},
     year = {2014},
     url = {http://geodesic.mathdoc.fr/item/JGG_2014_18_1_JGG_2014_18_1_a5/}
}