Babenko, I. K. Analytical properties of Poincaré series of a loop space. (English) Zbl 0455.55006 Math. Notes 27, 359-367 (1980). MSC: 55P35 PDF BibTeX XML Cite \textit{I. K. Babenko}, Math. Notes 27, 359--367 (1980; Zbl 0455.55006) Full Text: DOI OpenURL
Glazyrin, V. V. Topologische und metrische Struktur von k-Sattelflächen. (Russian) Zbl 0394.53006 Sib. Mat. Zh. 19, 555-563 (1978). MSC: 53A07 53A35 55N99 PDF BibTeX XML Cite \textit{V. V. Glazyrin}, Sib. Mat. Zh. 19, 555--563 (1978; Zbl 0394.53006) OpenURL