Gardner, B. J.; Parmenter, M. M. Some classes of directoid groups. (English) Zbl 1199.06072 Algebra Discrete Math. 2009, No. 1, 44-58 (2009). MSC: 06F20 PDFBibTeX XMLCite \textit{B. J. Gardner} and \textit{M. M. Parmenter}, Algebra Discrete Math. 2009, No. 1, 44--58 (2009; Zbl 1199.06072)
Gardner, B. J. There isn’t much duality in radical theory. (English) Zbl 1164.16009 Algebra Discrete Math. 2007, No. 3, 59-66 (2007). MSC: 16N80 16S90 18E40 PDFBibTeX XMLCite \textit{B. J. Gardner}, Algebra Discrete Math. 2007, No. 3, 59--66 (2007; Zbl 1164.16009)