Excerpt from Annales Scientifiques de l'École Normale Supérieure, Vol. 4: Publiées Sous les Auspices du Ministre de l'Instruction Publique, Année 1867Tout exemplaire du présent Ouvrage qui ne porterait pas, comme {ti-dessous, la signature de l'éditeu sera réputé contrefait. Les mesure. Nécessaires seront prises pour atteindre, conformément à la Im. Fabricants et les débitants de ces exemplaires.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.