Nurlan Imanbaev, Burkhan Kalimbetov, Zhanibek Khabibullayev
      To the eigenvalue problems of a special-loaded first-order differential operator
      International Journal of Mathematical Analysis, Vol. 8, 2014, no. 45, 2247-2254
      http://dx.doi.org/10.12988/ijma.2014.48263

Copyright © 2014 Nurlan Imanbaev, Burkhan Kalimbetov and Zhanibek Khabibullayev. 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.