Pakdaman, Ali; Torabi, Hamid; Mashayekhy, Behrooz Category of H-groups. (English) Zbl 1463.55002 Casp. J. Math. Sci. 9, No. 1, 1-23 (2020). MSC: 55P45 55U40 55Q05 54H11 PDFBibTeX XMLCite \textit{A. Pakdaman} et al., Casp. J. Math. Sci. 9, No. 1, 1--23 (2020; Zbl 1463.55002) Full Text: DOI
Torabi, Hamid; Abdullahi, Mehdi On category of co-coverings. (English) Zbl 1438.57004 Casp. J. Math. Sci. 8, No. 2, 84-90 (2019). MSC: 57M10 57M12 57M05 PDFBibTeX XMLCite \textit{H. Torabi} and \textit{M. Abdullahi}, Casp. J. Math. Sci. 8, No. 2, 84--90 (2019; Zbl 1438.57004) Full Text: DOI