中国科学院数学与系统科学研究院期刊网
AMS
On Permutation Polynomials in Two Variables over Z/p2Z
Qi Jiao WEI, Qi Fan ZHANG
Acta Mathematica Sinica . 2009, (7): 1191 -1200 .  DOI: 10.1007/s10114-009-6526-z