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Publication:3701827
zbMath0579.35017MaRDI QIDQ3701827
Publication date: 1985
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Smoothness and regularity of solutions to PDEs (35B65) General theory of PDEs and systems of PDEs with constant coefficients (35E20) Hypoelliptic equations (35H10)
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