Mario Gionfriddo, Lucia Marino
      Dodecagon quadrangle systems having the most large spectrum
      Applied Mathematical Sciences, Vol. 10, 2016, no. 31, 1501-1508
      http://dx.doi.org/10.12988/ams.2016.6262

Copyright © 2016 Mario Gionfriddo and Lucia Marino. 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.