中国科学院数学与系统科学研究院期刊网
Involutions with Fixed Point Set $P(2m,\,2l+1)\sqcup P(2m,\,2n+1)$
Yan Hong DINGYan ZHAOShan Shan LI
Acta Mathematica Sinica, Chinese Series . 2008, (5): 971 -978 .  DOI: 10.12386/A2008sxxb0114