@article{paperid:1004468, author = {حیدری عقیله and Farahi, Mohammad Hadi and حیدری عباسعلی}, title = {Chemotherapy in an HIV model by a pair of optimal control}, journal = {International Journal of Applied Mathematics}, year = {2007}, month = {August}, issn = {1121-1131}, keywords = {Measure theory; Optimal control; Linear programming; HIV; Infection and epidemical diseases.}, }