R. K. Obogi, J. N. Bosire, N. B. Okelo, Omolo Ongati
      Conditions for positivity of operators in non-unital C*-algebras
      International Journal of Mathematical Analysis, Vol. 9, 2015, no. 2, 91-94
      http://dx.doi.org/10.12988/ijma.2015.411349

Copyright © 2014 R. K. Obogi, J. N. Bosire, N. B. Okelo and Omolo Ongati. 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.