Kowalski, Oldřich; Vlášek, Zdeněk On special Riemannian 3-manifolds with distinct constant Ricci eigenvalues. (English) Zbl 0934.53027 Math. Bohem. 124, No. 1, 45-66 (1999). MSC: 53C20 53C25 53C30 53C21 PDFBibTeX XMLCite \textit{O. Kowalski} and \textit{Z. Vlášek}, Math. Bohem. 124, No. 1, 45--66 (1999; Zbl 0934.53027) Full Text: EuDML
Kowalski, O.; Sekizawa, M. Pseudo-symmetric spaces of constant type in dimension three – elliptic spaces. (English) Zbl 0889.53026 Rend. Mat. Appl., VII. Ser. 17, No. 3, 477-512 (1997). Reviewer: L.Vanhecke (Leuven) MSC: 53C21 53C25 PDFBibTeX XMLCite \textit{O. Kowalski} and \textit{M. Sekizawa}, Rend. Mat. Appl., VII. Ser. 17, No. 3, 477--512 (1997; Zbl 0889.53026)
Kowalski, Oldrich Normal forms of the Laplacian and its iterations in the symmetric spaces of rank one. (English) Zbl 0518.53053 Simon Stevin 57, 215-223 (1983). MSC: 53C35 58J60 53A55 PDFBibTeX XMLCite \textit{O. Kowalski}, Simon Stevin 57, 215--223 (1983; Zbl 0518.53053)