我查到springer上有 Dai, Y. H.的如下一些文章，但没有你那篇

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Journal Article
On the Nonmonotone Line Search
DOI 10.1023/A:1013653923062
Journal Journal of Optimization Theory and Applications
Issue Volume 112, Number 2 / February, 2002
Author Y. H. Dai
Text PDF (105 kb)  
 
 
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Journal Article
An Efficient Hybrid Conjugate Gradient Method for Unconstrained Optimization
DOI 10.1023/A:1012930416777
Journal Annals of Operations Research
Issue Volume 103, Numbers 1-4 / March, 2001
Authors Y.H. Dai and Y. Yuan
Text PDF (4 kb)  
 
 
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Journal Article
Minimization Algorithms Based on Supervisor and Searcher Cooperation
DOI 10.1023/A:1011986402461
Journal Journal of Optimization Theory and Applications
Issue Volume 111, Number 2 / November, 2001
Authors W. Liu and Y. H. Dai
Text PDF (104 kb)  
 
 
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Journal Article
The murine leukemia virus LTR in oncogenesis: Effect of point mutations and chromosomal integration sites
DOI 10.1007/BF01226617
Journal Radiation and Environmental Biophysics
Issue Volume 30, Number 3 / September, 1991
Authors F. S. Pedersen, K. Paludan, H. Y. Dai, M. Duch, P. Jørgensen, N. O. Kjeldgaard, B. Hallberg, T. Grundström, J. Schmidt and A. Luz
Text PDF (169 kb)  
 
 
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Journal Article
A New Gradient Method with an Optimal Stepsize Property
DOI 10.1007/s10589-005-5959-2
Journal Computational Optimization and Applications
Issue Volume 33, Number 1 / January, 2006
Authors Y. H. Dai and X. Q. Yang
Text PDF (269 kb)  
 
 
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Journal Article
New Conjugacy Conditions and Related Nonlinear Conjugate Gradient Methods
DOI 10.1007/s002450010019 
Journal Applied Mathematics and Optimization
Issue Volume 43, Number 1 / January, 2001
Author Y. -H. Dai
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Journal Article
A low oncogenic variant of friend murine leukemia virus with strong immunosuppressive properties
Category Original Papers
DOI 10.1007/BF01378631
Journal Archives of Virology
Issue Volume 131, Numbers 3-4 / September, 1993
Authors Arild Faxvaag, H. Y. Dai, H. Aarseth and A. B. Dalen
Text PDF (982 kb)  
 

我在网上查到的

第二作者是袁亚湘，可以直接找他要

主页 http://lsec.cc.ac.cn/~yyx/

他的联系方式   My address is as follows: 
         Institute of Computational Mathematics and
                  Scientific/Engineering Computing,
                Chinese Academy of Sciences,
                P.O. Box 2719, Beijing 100080, China
         tel  +86-10-6255-9001, +86-10-6255-4590
         Fax  +86-10-6262-7365, +86-10-6254-2285
         e-mail: yyx@lsec.cc.ac.cn