TY - JOUR AU - Karine Chemla TI - Fragments of a History of the Concept of Ideal. Poncelet's and Chasles's Reflections on Generality in Geometry and their Impact on Kummer's Work with Ideal Divisors JO - Symmetry, integrability and geometry: methods and applications PY - 2024 VL - 20 UR - http://geodesic.mathdoc.fr/item/SIGMA_2024_20_a65/ LA - en ID - SIGMA_2024_20_a65 ER -