WHEN ARE SUPERHARMONIC FUNCTIONS CONCAVE - APPLICATIONS TO THE ST-VENANT TORSION PROBLEM AND TO THE FUNDAMENTAL MODE OF THE CLAMPED MEMBRANE

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KAWOHL, B
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ZEITSCHRIFT FUR ANGEWANDTE MATHEMATIK UND MECHANIK | 1984年 / 64卷 / 05期
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O29 [应用数学];
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070104 ;
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页码：T364 / T366
页数：3
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