Cantwell, John; Conlon, Lawrence Nonexponential leaves at finite level. (English) Zbl 0487.57009 Trans. Am. Math. Soc. 269, 637-661 (1982). MSC: 57R30 PDF BibTeX XML Cite \textit{J. Cantwell} and \textit{L. Conlon}, Trans. Am. Math. Soc. 269, 637--661 (1982; Zbl 0487.57009) Full Text: DOI OpenURL
Imanishi, Hideki On codimension one foliations defined by closed one forms with singularities. (English) Zbl 0417.57010 J. Math. Kyoto Univ. 19, 285-291 (1979). MSC: 57R30 58A10 PDF BibTeX XML Cite \textit{H. Imanishi}, J. Math. Kyoto Univ. 19, 285--291 (1979; Zbl 0417.57010) Full Text: DOI OpenURL