Aziz Sezgin,  A Boundary Backstepping Control Design for 2-D, 3-D and N-D Heat Equation.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    October 2015, vol. 104(8). 499 - 504
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10002727.