Giovanni Leonardi
      A fuzzy model for a railway-planning problem
      Applied Mathematical Sciences, Vol. 10, 2016, no. 27, 1333-1342
      http://dx.doi.org/10.12988/ams.2016.63106

Copyright © 2016 Giovanni Leonardi. 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.