Search results for: Heping Zhang
Discrete Applied Mathematics > 2010 > 158 > 5 > 573-582
Discrete Applied Mathematics > 2009 > 157 > 14 > 3152-3173
Journal of Mathematical Chemistry > 2008 > 43 > 1 > 134-140
Journal of Mathematical Chemistry > 2007 > 41 > 2 > 123-133