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Asymptotic solution of boundary value problems for the differential equation $\Delta U+\lambda\frac{\partial}{\partial x} U=\lambda f(x,y)$
Wasow, WolfgangVolume:
11
Language:
english
Journal:
Duke Mathematical Journal
DOI:
10.1215/S0012-7094-44-01134-8
Date:
September, 1944
File:
PDF, 861 KB
english, 1944