Optimal Gevrey classes for the existence of solution operators for linear partial differential operators in three variables
2004 ◽
Vol 297
(2)
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pp. 852-868
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1989 ◽
Vol 14
(1)
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pp. 1-25
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1983 ◽
Vol 8
(6)
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pp. 643-665
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1897 ◽
Vol s1-29
(1)
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pp. 439-477