On an Approximate Solution of the Dirich
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Nikolai N. Tarkhanov
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Article
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2006
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John Wiley and Sons
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English
โ 750 KB
## Abstract For an arbitrary differential operator __P__ of order __p__ on an open set __X__ โ R^n^, the Laplacian is defined by ฮ = __P__\*__P__. It is an elliptic differential operator of order __2p__ provided the symbol mapping of __P__ is injective. Let __O__ be a relatively compact domain in _