@article{ljs21001,
 author={Bolarin, G.},
 year={2012},
 title={A Mathematical Model of Complacency in HIV/AIDS Scenario: Sex-Structure Approach},
 journal={Leonardo J. Sci.},
 volume={11},
 number={21},
 pages={1-12},
 url={http://ljs.academicdirect.org/A21/001_012.pdf}
}