@article{Lipsky, Jr._Sidak_2003, title={Facilidades esenciales}, volume={13}, url={https://revistas.pucp.edu.pe/index.php/iusetveritas/article/view/16266}, number={27}, journal={IUS ET VERITAS}, author={Lipsky, Jr., Abbott B. and Sidak, J. Gregory}, year={2003}, month={ene.}, pages={126-168} }