Mohamed El Azzouzi
      Boundary controllability of multi-dimensional heat equation with positive control
      Applied Mathematical Sciences, Vol. 9, 2015, no. 105, 5207-5214
      http://dx.doi.org/10.12988/ams.2015.55393

Copyright © 2015 Mohamed El Azzouzi. This article is distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.