海量图书期刊资源,随时随地畅享阅读乐趣
419S. Lefschetz and S. W. Reaves · The American Mathematical Monthly · 1914
On the Fixed Point FormulaS. Lefschetz · Annals of Mathematics (Second Series) · 1937
On critical setsLefschetz, S. · Duke Mathematical Journal · 1935
Chain-deformations in topologyLefschetz, S. · Duke Mathematical Journal · 1935
Continuous Transformations of ManifoldsS. Lefschetz · Proceedings of the National Academy of Sciences of the United States of America · 1925
Duality Relations in TopologyS. Lefschetz · Proceedings of the National Academy of Sciences of the United States of America · 1929
312J. A. Caparo, George W. Hartwell, V. M. Spunar, G. I. Hopkins, G. B. M. Zerr, J. Scheffer and S. Lefschetz · The American Mathematical Monthly · 1909
375S. Lefschetz and H. E. Trefethen · The American Mathematical Monthly · 1912
Two Empires or Three?Ernst Mayr · Proceedings of the National Academy of Sciences of the United States of America · 1998
The Objects of SelectionErnst Mayr · Proceedings of the National Academy of Sciences of the United States of America · 1997
Generalized Riemannian GeometryLuther P. Eisenhart · Proceedings of the National Academy of Sciences of the United States of America · 1962
On Monothetic GroupsPaul R. Halmos and H. Samelson · Proceedings of the National Academy of Sciences of the United States of America · 1942
Stochastic Speculative PricePaul A. Samuelson · Proceedings of the National Academy of Sciences of the United States of America · 1971
Supplement || Front MatterProceedings of the National Academy of Sciences of the United States of America · 1983
Supplement || Biological Sciences Subject IndexProceedings of the National Academy of Sciences of the United States of America · 1983
Supplement || Physical Sciences Subject IndexProceedings of the National Academy of Sciences of the United States of America · 1983