TY - JOUR AU - Shang, Yilun TI - Optimal Control Strategies for Virus Spreading in Inhomogeneous Epidemic Dynamics JO - Canadian mathematical bulletin PY - 2013 SP - 621 EP - 629 VL - 56 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-2012-007-2/ DO - 10.4153/CMB-2012-007-2 ID - 10_4153_CMB_2012_007_2 ER -