Amir Badkoubeh and  Guchuan Zhu,  Tracking Control of a Linear Parabolic PDE with In-domain Point Actuators.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    November 2011, vol. 59(11). 1694 - 1699
    [viewed 09 May 2024]. Available from: https://publications.waset.org/pdf/14395.