Theory of Differential Equations - Six Volumes Bound as Three: One: Exact Equations and Pfaff's Problem; Two: Ordinary Equations, Not Linear; Three: Ordinary Equations, Not Linear; Four: Ordinary Linear Equations; Five and Six: Partial Differential Equat…

xiii, [1], 340, xi, [1], 344; x, 391, [1], xvi, 534, [6]; xx, 478, xiii, [1], 596, [2] pp. 8vo. 1959 reissue of the work first released in 1890. "Andrew Russell Forsyth (1858-1942) was an influential Scottish mathematician notable for incorporating the advances of Continental mathematics within the British tradition."