By Ion B.   in Compositio Mathematica

ISSN:0010-437X|139|1|67-84

Springer Publishing Company ‎(2003)‎

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By Caenepeel S.   Militaru G.   Ion B.   Zhu S.   in Advances in Mathematics

ISSN:0001-8708|145|2|239-290

Academic Press‎(1999)‎

Access to resources Favorite 6.4421015