Observatorio Astronómico Nacional, Universidad Nacional de Colombia, Bogotá, Colombia
Observatorio Astronómico Nacional, Universidad Nacional de Colombia, Bogotá, Colombia
Observatorio Astronómico Nacional, Universidad Nacional de Colombia, Bogotá, Colombia
Copyright © 2014 Roger Hurtado, Leonardo Castañeda, Juan M. Tejeiro et al. This is
an open access article distributed under the Creative Commons Attribution
License, which permits unrestricted use, distribution, and reproduction in any
medium, provided the original work is properly cited.
How to Cite this Article
Hurtado, R. , Castañeda, L. and Tejeiro, J. (2014) Gravitational Lensing by Spherical Lenses.
International Journal of Astronomy and Astrophysics,
4, 340-352. doi:
10.4236/ijaa.2014.42028.