hal-01984201 title_s Discrete CMC surfaces for doubly-curved building envelopes auteur Xavier Tellier, Laurent Hauswirth, Cyril Douthe, Olivier Baverel fichier_hal https://hal.archives-ouvertes.fr/hal-01984201/document annee 2018 Identifiant HAL 11254993 699256 1148992 11191721 conference Advances in Architectural Geometry