no. 1
Restricted range simultaneous approximation and interpolation with preservation of the norm
Annales mathématiques Blaise Pascal, Tome 2 (1995) no. 1, pp. 225-235. 
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     title = {Restricted range simultaneous approximation and interpolation with preservation of the norm},
     journal = {Annales math\'ematiques Blaise Pascal},
     pages = {225--235},
     publisher = {Laboratoires de Math\'ematiques Pures et Appliqu\'ees de l'Universit\'e Blaise Pascal},
     volume = {2},
     number = {1},
     year = {1995},
     mrnumber = {1342818},
     zbl = {0832.46071},
     language = {en},
     url = {http://www.numdam.org/item/AMBP_1995__2_1_225_0/}
}
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Prolla, J.B.; Navarro, S. Restricted range simultaneous approximation and interpolation with preservation of the norm. Annales mathématiques Blaise Pascal, Tome 2 (1995) no. 1, pp. 225-235. http://www.numdam.org/item/AMBP_1995__2_1_225_0/

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