Mehdi Karami Khorramabadi, Ali Sameripour
      Notes on the non self-adjoint elliptic differential operators
      International Journal of Contemporary Mathematical Sciences, Vol. 9, 2014, no. 11, 529-533
      http://dx.doi.org/10.12988/ijcms.2014.4671

Copyright © 2014 Mehdi Karami Khorramabadi and Ali Sameripour. 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.