no. 3
About the Lamé system in a polygonal or a polyhedral domain and a coupled problem between the Lamé system and the plate equation. I : regularity of the solutions
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Tome 19 (1992) no. 3, pp. 327-361. 
@article{ASNSP_1992_4_19_3_327_0,
     author = {Nicaise, Serge},
     title = {About the Lam\'e system in a polygonal or a polyhedral domain and a coupled problem between the Lam\'e system and the plate equation. I : regularity of the solutions},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {327--361},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 19},
     number = {3},
     year = {1992},
     zbl = {0782.73041},
     mrnumber = {1205404},
     language = {en},
     url = {archive.numdam.org/item/ASNSP_1992_4_19_3_327_0/}
}
Nicaise, Serge. About the Lamé system in a polygonal or a polyhedral domain and a coupled problem between the Lamé system and the plate equation. I : regularity of the solutions. Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Tome 19 (1992) no. 3, pp. 327-361. http://archive.numdam.org/item/ASNSP_1992_4_19_3_327_0/

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