Jotov, O. Quaternionic sequences and subsets. (Macedonian. English summary) Zbl 0599.30076 God. Zb., Mat. Fak. Univ. Kiril Metodij Skopje 33/34, 85-93 (1983). MSC: 30G35 PDFBibTeX XMLCite \textit{O. Jotov}, God. Zb., Mat. Fak. Univ. Kiril Metodij Skopje 33/34, 85--93 (1983; Zbl 0599.30076)
Jotov, O. Stereographic projection in \(R^5\) and induced orthogonal and \(L_h\)- transformations. (Macedonian) Zbl 0428.53002 God. Zb., Mat. Fak. Univ. Kiril Metodij Skopje 29, 33-43 (1978). MSC: 53A07 PDFBibTeX XMLCite \textit{O. Jotov}, God. Zb., Mat. Fak. Univ. Kiril Metodij Skopje 29, 33--43 (1978; Zbl 0428.53002)