@conference { PL2018a,
author = {  Langevin, Philippe  },
title  = {  Conjecture de Patterson Wiedemann (K.-U. Schmidt) },
month  = {  November  },
organization = {  seminaire iaa },
address = { Toulon },
year = {2021},
rang = {S},
url  =  {https://arxiv.org/abs/1711.08215},
}