Arreghi2001b.pdf
ChenDengYang2008.pdf
ChengEuFu2007.pdf
ElizaldeMansour2005.pdf
KauersZeilberger2011.pdf
NkwantaShapiro2005.pdf
Sulanke2000.pdf
SulankeXin2008.pdf
Sun Y.Ma2014b.pdf
Woan2001.pdf
Yan2007.pdf