Authors
Robert Deville
Robert.Deville@math.u-bordeaux.fr
Institut de Mathématiques de Bordeaux, Université de Bordeaux, Talence, France
Robert.Deville@math.u-bordeaux.fr
© 2023 Robert Deville, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.