L. M. Chechin, A. Yelibaeva
      Dynamics of double galactic system on the background of dark substance
      Advanced Studies in Theoretical Physics, Vol. 8, 2014, no. 20, 857-867
      http://dx.doi.org/10.12988/astp.2014.47102

Copyright © 2014 L. M. Chechin and A. Yelibaeva. 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.