@article{AIF_1972__22_2_147_0,
     author = {Faraut, Jacques and Harzallah, Khelifa},
     title = {Semi-groupes d'op\'erateurs invariants et op\'erateurs dissipatifs invariants},
     journal = {Annales de l'Institut Fourier},
     pages = {147--164},
     publisher = {Institut Fourier},
     address = {Grenoble},
     volume = {22},
     number = {2},
     year = {1972},
     doi = {10.5802/aif.416},
     mrnumber = {51 #1294},
     zbl = {0226.46027},
     language = {fr},
     url = {http://www.numdam.org/articles/10.5802/aif.416/}
}