@article{JGG_2011_15_2_JGG_2011_15_2_a5, author = {M. Manevich and E. Itskovich}, title = {Light {Ray} {Trajectories} and {Projective} {Correspondences}}, journal = {Journal for geometry and graphics}, pages = {181--193}, year = {2011}, volume = {15}, number = {2}, url = {http://geodesic.mathdoc.fr/item/JGG_2011_15_2_JGG_2011_15_2_a5/} }