@article{SPS_1997__31__80_0,
     author = {He, Sheng-Wu and Wang, Jia-Gang},
     title = {The hypercontractivity of {Ornstein-Uhlenbeck} semigroups with drift, revisited},
     journal = {S\'eminaire de probabilit\'es de Strasbourg},
     pages = {80--84},
     publisher = {Springer - Lecture Notes in Mathematics},
     volume = {31},
     year = {1997},
     mrnumber = {1478719},
     zbl = {0903.60066},
     language = {en},
     url = {http://archive.numdam.org/item/SPS_1997__31__80_0/}
}