Fernández, Marisa; Gray, Alfred; Morgan, John W. Compact symplectic manifolds with free circle actions, and Massey products. (English) Zbl 0726.53028 Mich. Math. J. 38, No. 2, 271-283 (1991). Reviewer: Izu Vaisman (Haifa) MSC: 53C15 37J99 PDFBibTeX XMLCite \textit{M. Fernández} et al., Mich. Math. J. 38, No. 2, 271--283 (1991; Zbl 0726.53028) Full Text: DOI
Gray, Alfred The volume of a small geodesic ball of a Riemannian manifold. (English) Zbl 0279.58003 Mich. Math. J. 20, 329-344 (1973). MSC: 58C05 53C20 PDFBibTeX XMLCite \textit{A. Gray}, Mich. Math. J. 20, 329--344 (1973; Zbl 0279.58003) Full Text: DOI
Gray, A. A note on manifolds whose holonomy group is a subgroup of Sp(n) Sp(1). (English) Zbl 0177.50001 Mich. Math. J. 16, 125-128 (1969). PDFBibTeX XMLCite \textit{A. Gray}, Mich. Math. J. 16, 125--128 (1969; Zbl 0177.50001) Full Text: DOI
Gray, A. Minimal varieties and almost Hermitian submanifolds. (English) Zbl 0132.16702 Mich. Math. J. 12, 273-287 (1965). PDFBibTeX XMLCite \textit{A. Gray}, Mich. Math. J. 12, 273--287 (1965; Zbl 0132.16702) Full Text: DOI