no. 1
The shape and smoothness of stable plasma configurations
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Tome 5 (1978) no. 1, pp. 131-148. 
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     author = {Kinderlehrer, David and Spruck, Joel},
     title = {The shape and smoothness of stable plasma configurations},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {131--148},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 5},
     number = {1},
     year = {1978},
     mrnumber = {481511},
     zbl = {0409.76095},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_1978_4_5_1_131_0/}
}
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Kinderlehrer, David; Spruck, Joel. The shape and smoothness of stable plasma configurations. Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Tome 5 (1978) no. 1, pp. 131-148. http://www.numdam.org/item/ASNSP_1978_4_5_1_131_0/

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