"Short description: In Russian. Rashevsky, Pyotr Konstantinovich. Geometric Theory of Equations with Partial Derivatives. Moscow; Leningrad: Gostekhizdat (Moscow: the 16th Polygraphical Book Trust, 1947). Geometricheskaya teoriya uravneniy s chastnymi proizvodnymi. In Russian /Geometric theory of partial equations . 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. SKU6013606"