@article{10_4153_CMB_2012_007_2,
     author = {Shang, Yilun},
     title = {Optimal {Control} {Strategies} for {Virus} {Spreading} in {Inhomogeneous} {Epidemic} {Dynamics}},
     journal = {Canadian mathematical bulletin},
     pages = {621--629},
     year = {2013},
     volume = {56},
     number = {3},
     doi = {10.4153/CMB-2012-007-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2012-007-2/}
}