By Beukers F.   Cushman R.   in Journal of Differential Equations

ISSN:0022-0396|143|1|191-200

Academic Press‎(1998)‎

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By Beukers F.   Sanders J.A.   Wang J.P.   in Journal of Differential Equations

ISSN:0022-0396|146|1|251-260

Academic Press‎(1998)‎

Access to resources Favorite 9.225711