中国科学院数学与系统科学研究院期刊网
On the Diophantine Equations (a-1)x2+(91a+9)=4an
Zhi Gang LI, Ping Zhi YUAN
Acta Mathematica Sinica, Chinese Series . 2010, (1): 37 -44 .  DOI: 10.12386/A2010sxxb0005