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"Zwischen den Zeilen" : Wittgenstein und Gendlin über die nicht-regelhafte Seite der Sprachkompetenz
(1997)
13 C NMR Chemical shift calculations for some substituted pyridines - a comparative consideration
(1997)
The paper is devoted to pseudodifferential boundary value problems in domains with singular points on the boundary. The tangent cone at a singular point is allowed to degenerate. In particular, the boundary may rotate and oscillate in a neighbourhood of such a point. We show a criterion for the Fredholm property of a boundary value problem and derive estimates of solutions close to singular points.