Volume 4, Issue 4, December 2015, Pages 33-41
10.22108/toc.2015.7767
Denglan Cui; Yaoping Hou
Volume 2, Issue 3, September 2013, Pages 43-52
10.22108/toc.2013.3288
Mardjan Hakimi-Nezhaad; Ali Reza Ashrafi; Ivan Gutman