An inequality for the reduced wave operator and the justification of geometrical optics
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Publication:5539306
DOI10.1002/cpa.3160210206zbMath0157.18701OpenAlexW2031621501MaRDI QIDQ5539306
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Publication date: 1968
Published in: Communications on Pure and Applied Mathematics (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1002/cpa.3160210206
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