中国科学院数学与系统科学研究院期刊网
Divisibility Properties of Smith Matrices on the Gcd-Closed set S with |S| = 6
Jian Rong ZHAO, Wei ZHAO, Mao LI
Acta Mathematica Sinica, Chinese Series . 2011, (4): 609 -618 .  DOI: 10.12386/A2011sxxb0062