Lal, Harbans Quasi-commutative primary semigroups. (English) Zbl 0317.20037 Mat. Vesn., N. Ser. 12(27), 271-278 (1975). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 7 Documents MSC: 20M10 General structure theory for semigroups PDFBibTeX XMLCite \textit{H. Lal}, Mat. Vesn., N. Ser. 12(27), 271--278 (1975; Zbl 0317.20037)