@article{EJDE_2005__2005__a261,
     author = {Garira,  Winston and Musekwa,  Senelani D. and Shiri,  Tinevimbo},
     title = {Optimal control of combined therapy in a single strain {HIV-1} model},
     journal = {Electronic journal of differential equations},
     year = {2005},
     volume = {2005},
     zbl = {1074.92019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2005__2005__a261/}
}