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Asymptotic behaviour of free boundaries at their singular points. (English) Zbl 0364.35041


MSC:

35N99 Overdetermined problems for partial differential equations and systems of partial differential equations
35J25 Boundary value problems for second-order elliptic equations
35B30 Dependence of solutions to PDEs on initial and/or boundary data and/or on parameters of PDEs
35B45 A priori estimates in context of PDEs
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