@article{AFST_2016_6_25_1_191_0,
     author = {Lehec, Joseph},
     title = {Regularization in $L_1$ for the {Ornstein-Uhlenbeck} semigroup},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {191--204},
     publisher = {Universit\'e Paul Sabatier, Toulouse},
     volume = {Ser. 6, 25},
     number = {1},
     year = {2016},
     doi = {10.5802/afst.1492},
     mrnumber = {3485296},
     zbl = {1336.60032},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/afst.1492/}
}