中国科学院数学与系统科学研究院期刊网
The Varieties of~*-regular Semigroups Generated by Mal’cev Products of Varieties of*-regular Semigroups
Zhong Hao JIANG
Acta Mathematica Sinica, Chinese Series . 1999, (1): 161 -166 .  DOI: 10.12386/A1999sxxb0025