海量图书期刊资源，随时随地畅享阅读乐趣
Compact quadratics-manifoldsArthur J. Ledger; R. Bruce Pettitt · 1976
Naturally reductive locally 4-symmetric spacesArthur J. Ledger · 1988
A congruence theorem for hypersurfaces of Riemannian manifoldsArthur J. Ledger; Masafumi Okumura · Archiv der Mathematik · 1990