杨卫国, 梁佩佩. 三重循环马氏链的强大数定律[J]. 江苏大学学报（自然科学版）, 2010,31(3).

杨卫国, 梁佩佩. Strong law of large numbers for three-order circular Markov chains[J]. Journal of jiangsu University(Natural Science Edition), 2010, 31(3). DOI: 10.3969/j.issn.1671-7775.2010.003.026.

杨卫国, 梁佩佩. 三重循环马氏链的强大数定律[J]. 江苏大学学报（自然科学版）, 2010,31(3). DOI： 10.3969/j.issn.1671-7775.2010.003.026.

杨卫国, 梁佩佩. Strong law of large numbers for three-order circular Markov chains[J]. Journal of jiangsu University(Natural Science Edition), 2010, 31(3). DOI: 10.3969/j.issn.1671-7775.2010.003.026. DOI：