Short description: In Russian. Gunter, Nikolai Maksimovich. To the theory of the characteristics of systems of equations in partial derivatives. St. Petersburg: type. A.E. Collins (b. Y.N. Ehrlich), 1913. K teorii kharakteristik sistem uravneniy v chastnykh proizvodnykh. In Russian /To the theory of the characteristics of systems of equations in partial derivatives. 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. SKU3802664