American Journal Of Mathematics 1903 Vol 25 Classic Reprint

Excerpt from American Journal of Mathematics, 1903, Vol. 25Cub'nss, D. R. On the Invariants of a Homogeneous Quadratic Differential Equation of the Second Order, eisenhart, L. P. Isothermal-conjugate Systems of Lines on Surfaces.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.