By Bereanu C.   Mawhin J.   in Journal of Difference Equations and Applications

ISSN:1023-6198|12|7|677-695

Taylor & Francis Ltd‎(2006)‎

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By Mawhin J.   Thompson H. B.   in Journal of Dynamics and Differential Equations

ISSN:1040-7294|15|2-3|327-334

Springer Publishing Company ‎(2003)‎

Access to resources Favorite 9.886635