no. 2
Elastic-plastic torsion problem over multiply connected domains
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Tome 4 (1977) no. 2, pp. 291-312. 
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     title = {Elastic-plastic torsion problem over multiply connected domains},
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     pages = {291--312},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 4},
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     mrnumber = {443524},
     zbl = {0368.73042},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_1977_4_4_2_291_0/}
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Ting, Tsuan Wu. Elastic-plastic torsion problem over multiply connected domains. Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Tome 4 (1977) no. 2, pp. 291-312. http://www.numdam.org/item/ASNSP_1977_4_4_2_291_0/

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