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zbMath0778.35022MaRDI QIDQ3980298

Yu. A. Chirkunov

Publication date: 26 June 1992

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

zbMATH Keywords

parabolic equation hyperbolic equation transformation groups second-order elliptic equation group classification linear first order partial differential equations

Mathematics Subject Classification ID

Linear first-order PDEs (35F05) Geometric theory, characteristics, transformations in context of PDEs (35A30)

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