Filippov, V. M. Variational principles for nonpotential operators. (Variatsionnye printsipy dlya nepotentsial’nykh operatorov.) (Russian) Zbl 0699.35011 Moskva: Universitet Druzhby Narodov. 206 p. R. 2.10 (1985). See the review of the English translation (Transl. Math. Monogr. 77, Providence 1989) in Zbl 0682.35006. Cited in 1 ReviewCited in 6 Documents MSC: 35A15 Variational methods applied to PDEs 35-02 Research exposition (monographs, survey articles) pertaining to partial differential equations 35K20 Initial-boundary value problems for second-order parabolic equations 35L20 Initial-boundary value problems for second-order hyperbolic equations 35G30 Boundary value problems for nonlinear higher-order PDEs 35F30 Boundary value problems for nonlinear first-order PDEs Keywords:Dirichlet principle; non-symmetric linear operators Citations:Zbl 0682.35006 PDF BibTeX XML Cite \textit{V. M. Filippov}, Variatsionnye printsipy dlya nepotentsial'nykh operatorov (Russian). Moskva: Universitet Druzhby Narodov (1985; Zbl 0699.35011)