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zbMath0577.35007MaRDI QIDQ3699211

Shuxing Chen

Publication date: 1980

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

weak solution existence uniqueness strong solution symmetric positive system solvabiliy mixed type equation of second order

Mathematics Subject Classification ID

Boundary value problems for linear first-order PDEs (35F15) Partial differential equations of mixed type and mixed-type systems of partial differential equations (35M99)

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