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中国科学院数学与系统科学研究院期刊网
ISSN 1439-8516 CN 11-2039/O1
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Implicit Function Theorem and Its Application to a Ulam’s Problem for Exact Differential Equations
Soon-Mo JUNG
Acta Mathematica Sinica . 2010, (
11
): 2085 -2092 . DOI: 10.1007/s10114-010-7611-z
