@article{ASNSP_1998_4_27_3-4_457_0,
     author = {Lasiecka, Irena and Triggiani, Roberto},
     title = {Analyticity of thermo-elastic semigroups with free boundary conditions},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {457--482},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 27},
     number = {3-4},
     year = {1998},
     mrnumber = {1678002},
     zbl = {0954.74029},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_1998_4_27_3-4_457_0/}
}