Short description: In Russian. Landis, Evgeniy Mikhailovich. Second-order equations of elliptical and parabolic types. Moscow: Science, 1971. Uravneniya vtorogo poryadka ellipticheskogo i parabolicheskogo tipov. In Russian /Second-order equations of elliptical and parabolic types. The image is provided for reference only. It may reflect condition of one of the available copies or only help in identifying the edition. Please feel free to contact us for a detailed description of the copies available. SKU7148133